Every watch has papers. Every jewelry peice has certification.

High Jewelry

258 products

  • Art Deco Era 20 Carat Oval-Cut Ceylon Sapphire and Old-Euro Cut Diamond Bracelet

    Art Deco Era 20 Carat Oval-Cut Ceylon Sapphire and Old-Euro Cut Diamond Bracelet

    Centering an over 20 Carat Ceylon (Sri Lanka) Cornflower Blue Sapphire, accented by 14 Princess-Cut Blue Sapphires and 166 Old-European Cut Diamonds, and set in a 18K Gold/Platinum blend, this classic Art Deco bracelet is designed by famed Swiss jeweler "Bucherer".  Item Video: https://youtu.be/-aabpPLfI4c Details: ✔ Era: Art Deco (1915-1940) ✔ Stone: Blue Sapphire, White Diamonds ✔ Center Stone: Blue Sapphire ✔ Center-Stone Weight: 20+ Carats ✔ Stone Cut: Oval ✔ Stone Color: Cornflower Blue ✔ Stone Origin: Ceylon (Sri-Lanka) ✔ Certificate: AGL (American Gemological Laboratory) ✔ Certificate #: #CS65109 ✔ Designer: Bucherer (Switzerland) ✔ Bracelet: Platinum/18K, 20+ Carat Oval-Cut Blue Sapphire, 14 Princess-Cut Sapphires, 166 Old-European Cut Diamonds ✔ Side-Stones: 14 Princess-Cut Blue Sapphires, 112 Old-European Cut Diamonds ✔ Metal: Platinum/18K White Gold ✔ Weight (Grams): 33.8 Grams

    $126,513.00

  • Vintage Art Deco Estate Blue Sapphire, Diamond & Enamel Bangle Bracelet

    Vintage Art Deco Estate Blue Sapphire, Diamond & Enamel Bangle Bracelet

    Vintage Art Deco EGL Certified 2.08 carat total natural Blue Sapphire, Diamond, and Blue Enamel bangle bracelet. This bangle features a 1.15 carat natural blue sapphire center stone. The sapphire is emerald step-cut, and EGL-certified. It is paired with an additional 2 mixed-cut blue sapphires weighing 0.93 carats total. The bracelet also holds multiple mixed cut diamonds side stones. All set in platinum and 18k yellow gold, the gemstones are secured in bezel and prong setting. Fixed with a quintessentially art deco milgrain finish. Item Details: - Type: Bangle Bracelet - Metal:  Platinum, 14K Yellow Gold - Weight: 25.73 - Setting: Prong, Bezel _______________________ Center Stone Details: - Type: Natural Sapphire - Carat: 1.15 - Cut: Emerald cut - Color: Blue - Measurements: 8 X 4.92 x 2.75 mm  EGL Certificate #: 400171179D Description and comment: A gemstone bangle, set in platinum and 14 Kraft yellow gold, containing 1 rectangular step-cut natural sapphire, as reported. The bangle also contains 2 oval, mixed-cut natural blue sapphires with a cumulative weight of 0.93 carats. The bangle contains side stones, which were not examined. The total gram weight of the bangle is 25.73 grams. _______________________ Side Stone Details:  - Type: Natural Sapphire - Carat: 0.93 CTTW - Cut: Mixed Cut - Quantity: 2 _______________________ Side Stone Details:  - Type: Natural Diamond - Cut: Mixed Cut _______________________

    $20,241.00

  • GIA 7.51 Carat Total Pear Cut Diamond Drop Earrings in 18K White Gold

    GIA 7.51 Carat Total Pear Cut Diamond Drop Earrings in 18K White Gold

    Adorn yourself with these luxurious drop earrings crafted from 18K white gold. The contemporary design and prong setting gives the elegantly shimmering natural diamonds of 7.51 carats a beautiful and radiant presence, weighing in at 7.72 grams and measuring 3.8 x 1.3 cm.Featuring two GIA certified pear cut diamonds with a round cut diamond halo and two old Euro cut diamond tops set on the closure wire.The contrasting styles of the diamond cuts create a mesmerizing visual effect, as the vintage charm of the old European cut diamonds blends seamlessly with the modern brilliance of the pear and round cut diamonds. This harmonious combination makes these earrings an extraordinary yet versatile piece that can be worn for a variety of occasions.Item Details:- Type: Drop Earrings- Metal: 18K White Gold- Weight: 7.72 Grams- Style: Contemporary- Setting: Prong- Size: 3.8 x 1.3 CM- Type: Natural Diamond- Total Diamond Weight: 7.51Diamond Details(1):- Carat: 2.85- Cut: Pear- Color: I- Clarity: SI1Diamond Details(2):- Carat: 2.66- Cut: Pear- Color: I- Clarity: I1Side Stone Details:- 56 brilliant diamonds, 1.03 CTW- 2 old euro cut diamonds, 0.97 CTW

    $79,000.00

  • Gold and diamond ring with a large yellow gemstone on a white background

    GIA 10.88 Carat Radiant Cut Fancy Yellow Diamond Double Halo Ring

    10.88 carat fancy yellow radiant cut diamond set with a 1 carat in white and yellow diamond halo. The ring setting is made in 18 karat white and yellow gold with an open back basket. This is done to ensure the culet is not covered and the stone's natural vibrant color can be viewed without hindrance.   Diamond Details: ✔ Carat: 10.88 ✔ Color: Fancy Yellow ✔ Color Origin: Natural ✔ Color Distribution: Even ✔ Cut: Radiant ✔ Dimensions: 12.74 x 11.79 x 8.11 mm   GIA Report No. 1182100358   Ring Details: ✔ Metal: 18 karat gold ✔ Ring Size: 7 (adjustable) ✔ Ring Weight: 10.83 grams ✔ Yellow Diamonds: 36 round cut diamonds, 0.27 carats total ✔ White Diamonds: 94 round cut diamonds, 0.72 carats total

    $270,000.00

  • GIA Certified 3.86 Carat Yellow Diamond East West Ring 18K Gold

    GIA Certified 3.86 Carat Yellow Diamond East West Ring 18K Gold

    GIA certified yellow diamond and baguette diamond ring in 18K yellow gold featuring 3.04 carat radiant cut yellow diamond in east-west setting with 0.82 carats of baguette diamonds. Size 7, adjustable, weighs 5.78 grams with four-prong setting. Product Specifications: Item Type: Statement Ring Metal: 18K Yellow Gold Size: 7 (adjustable) Weight: 5.78 grams Band Width: 7.2mm Setting: East-West Center Stone Details: Gemstone: Natural Yellow Diamond Carat Weight: 3.04 carats Cut: Radiant Cut Color: Y-Z (Light Yellow) Clarity: VS2 Color Origin: Natural Setting: East-west four-prong mounting GIA Certified Accent Stone Details: Baguette Diamonds: Multiple pieces Total Diamond Weight: 0.82 carats Setting: Channel set in band Color: Near Colorless Clarity: VS-SI About the Setting This contemporary east-west mounting showcases the 3.04 carat yellow diamond in a horizontal orientation that creates striking visual impact and modern appeal. The four-prong setting secures the radiant cut stone while allowing maximum light entry to enhance its natural yellow color. Channel-set baguette diamonds in the substantial 7.2mm wide band provide geometric contrast and additional brilliance while the 18K yellow gold construction complements the center stone's warm hue. About the Stones This exceptional 3.04 carat radiant cut diamond displays beautiful natural yellow color in the Y-Z range, creating warm, sunny brilliance enhanced by the radiant cut's superior light performance. GIA certification confirms the stone's natural origin and quality characteristics. The accompanying 0.82 carats of baguette diamonds provide clean, linear contrast that emphasizes the center stone's geometric beauty while adding substantial additional sparkle to this collector-quality piece.

    $22,000.00

  • Art Deco 4.05 Carat Ruby and Old Euro Diamond Halo Platinum Ring - AGL Certified

    Art Deco 4.05 Carat Ruby and Old Euro Diamond Halo Platinum Ring - AGL Certified

    Vintage Art Deco original platinum ring featuring a 4.05-carat oval cut Thai ruby, certified by AGL. The ruby is framed by a halo of old European and French-cut diamonds, totaling 2.20 carats. Ring size 7, adjustable.Product Specifications: Item Type: Cocktail Ring Metal: Platinum Size: 7 (adjustable) Weight: 7.54 grams Ring Face: 17.5 x 17mm Band Width: 2.5mm Setting: Cluster Halo Setting Ring Style: Art Deco Shank Type: Straight Band Circa 1930 Center Stone Details: Gemstone: Natural Ruby Carat Weight: 4.05 carats Cut: Oval Cut Origin: Thailand Treatment: Heated Color: Deep Red Certification: AGL 1150125Accent Stone Details: Old European Cut Diamonds: 10 pieces French Single Cut Diamonds: 3 pieces Total Diamond Weight: 2.20 carats Setting: Platinum cluster mounting Period: Vintage Art Deco era About the Setting:This authentic Art Deco platinum mounting showcases exceptional period craftsmanship with intricate metalwork and scalloped detailing. The cluster design positions the 4.05 carat ruby at center surrounded by graduated old European cut diamonds creating a spectacular floral motif. The substantial 7.54 gram platinum construction ensures durability while maintaining the elegant proportions characteristic of 1930s design.About the Stones:The centerpiece 4.05 carat Thai ruby displays excellent transparency and deep red color enhanced through traditional heating treatment. AGL certification confirms the stone's natural origin and quality characteristics. The surrounding 2.20 carats of vintage-cut diamonds feature the distinctive faceting patterns of old European and French single cuts, creating unique light play and romantic sparkle that perfectly complements the Art Deco aesthetic.

    $95,000.00

  • AGL Certified 4.20 Carat Colombian Emerald Minor Oil Loose Stone

    AGL Certified 4.20 Carat Colombian Emerald Minor Oil Loose Stone

    AGL certified 4.20 carat Colombian emerald featuring rectangular emerald cut with vivid green color and minor traditional oil enhancement. Natural beryl measuring 10.88 x 10.33 x 6.14mm with transparent clarity and excellent stability index.Product Specifications: Item Type: Loose Gemstone Stone Ready for: Custom Setting Setting Options: Ring, Pendant, or Earrings Gemstone Details: Gemstone: Natural Emerald Carat: 4.20 Carats Shape: Rectangular Cut Style: Emerald Cut Color: Green Origin: Colombia Treatment: Minor Oil (Traditional) Transparency: Transparent Dimensions: 10.88 x 10.33 x 6.14mm Species: Natural Beryl Certification: AGL Report #1118549About This Colombian Emerald:A vivid green Colombian emerald weighing 4.20 carats, cut in a classic rectangular shape. Its color and clarity are largely natural, with only minor traditional oiling — a centuries-old method that gently enhances brilliance without changing the stone’s true appearance.Unlike modern resins or heavy treatments, this subtle oiling preserves the emerald’s authenticity. Certified by AGL as Colombian in origin, this stone showcases the world-famous saturation and “jardin” inclusions that make Colombian emeralds the most sought-after.A rare gem combining natural beauty, minimal enhancement, and certified pedigree.

    $125,000.00

  • Certified 9.47 Carat Burma Ruby & Diamond Milgrain Chandelier Drop Earrings

    Certified 9.47 Carat Burma Ruby & Diamond Milgrain Chandelier Drop Earrings

    GRS Certified 9.47 Carat total Burma Ruby and Diamond halo milgrain finish chandelier drop earrings. Set with natural rubies and diamonds in 18k white and yellow gold with push-back closure.Product Specifications: Item Type: Drop Earrings Metal: 18K White and Yellow Gold Total Carat Weight: 9.47 carats Closure: Post and butterfly backs Finish: Milgrain Center Stone Details: Main Rubies: 2.82ct and 2.85ct Color: Pigeon's blood red and red (respectively) Origin: Burma (Myanmar) Treatment: Heated Cut: Marquise Certification: GRSAccent Stone Details: Oval Rubies: 4 pieces totaling 1.28 carats Marquise Rubies: 8 pieces totaling 1.11 carats Round Diamonds: 58 pieces totaling 0.88 carats Baguette Diamonds: 2 pieces totaling 0.20 carats Additional Diamonds: 4 pieces totaling 0.53 carats About the SettingThese elaborate drop earrings showcase masterful two-tone craftsmanship with yellow gold prongs securing the rubies and white gold pavé diamond settings. The chandelier design creates dramatic movement and light play, with each ruby carefully positioned to maximize color saturation. The design is enhanced with trillion-cut diamonds at the top and emerald-cut diamonds as connectors, giving these earrings a dazzling multi-shape brilliance. The substantial 18K gold construction ensures durability while maintaining elegant proportions.About the StonesThe centerpiece rubies are GRS certified Burma stones with the coveted pigeon's blood red color, representing the finest ruby quality available. The 2.85 and 2.82 carat marquise cut main stones exhibit exceptional transparency and saturation. Complementary ruby accents totaling over 2 carats create a cohesive color story, while nearly 1.6 carats of diamonds provide brilliant contrast and enhanced light reflection.The 2.82-carat Ruby is a certified Pigeon's Blood Red, which is one of the rarest and most sought-after colors for a ruby.

    $65,000.00

  • GIA Certified 6.6 Carat Fancy Yellow Diamond 18K Gold Split Shank Ring

    GIA Certified 6.6 Carat Fancy Yellow Diamond 18K Gold Split Shank Ring

    This spectacular engagement ring features a GIA certified 6.60 carat fancy yellow radiant cut diamond surrounded by white diamonds in luxurious 18K two-tone gold. The ring weighs 7.36 grams and showcases exceptional VS1 clarity with very good polish and symmetry, size 6, adjustable.Details Item Type: Engagement Ring Metal: 18K Two-Tone Gold (White and Yellow) Weight: 7.36 grams Size: 6 (adjustable) Center Stone: Type: Natural Fancy Yellow Diamond Carat: 6.60 Color: Fancy Yellow Clarity: VS1 Cut: Radiant Cut (Cut-Cornered Rectangular Modified Brilliant) Origin: Natural Polish: Very Good Symmetry: Good Fluorescence: None Measurements: 11.69 x 10.60 x 6.41 mm Certificate: GIA Report 1142459058Halo and Accent Stones: Type: White Diamond Total Carat Weight: 2.10 (approximate) Halo Diamonds: 48 pieces, fancy yellow, 0.19 ctw Side Diamonds: 206 pieces Cuts: Round Brilliant Color: E-F Clarity: VS-SI Other Important Details: GIA Certificate: Report #1142459058 (February 16, 2012) Diamond Distribution: Even Treatment: Natural (no treatment) Setting Style: Halo with split shank Measurements: 11.69 x 10.60 x 6.41 mm center stone About the Setting:The sophisticated two-tone design combines 18K yellow gold to complement the fancy yellow center stone with 18K white gold for the halo and band, creating stunning contrast. This substantial make demonstrates an exceptional craftsmanship with secure micro-pave and channel settings throughout. The octagonal halo enhances the radiant cut diamond while the split shank design adds architectural interest and coverage on the finger.

    $175,000.00

  • Art Deco No Heat Burma Ruby and Diamond Brooch

    Art Deco No Heat Burma Ruby and Diamond Brooch

    This exquisite Art Deco brooch features an AGL-certified natural no-heat ruby center stone surrounded by meticulously arranged diamonds in platinum and 14K white gold. The brooch weighs 24.23 grams and showcases an exceptional geometric spiral design typical of the Art Deco period. This sort of craftsmanship is seldom found nowadays. Details: Item Type: Art Deco Brooch Pin Metal: Platinum and 14K White Gold Weight: 24.23 grams Period: Art Deco (circa 1930) Certificate: AGL CS1078873Center Stone: Type: Natural Ruby (Burma/Myanmar) Carat: 2.0 (approx.) Color: Red Enhancement: No Heat Shape: Oval Cut: Mixed Cut Measurements: 7.96 x 7.17 x 4 mm Total Stone Count: 1 Oval cut Ruby, 2.0 ct (center stone) 2 Trillion cut Rubies 26 Baguette cut Rubies 2 Trillion cut Diamonds 26 Baguette cut Diamonds 54 Round cut Diamonds 36 Round cut Rubies Other Important Details: AGL Certificate: CS1078873 (October 17, 2016) Origin: Burma (Myanmar) Enhancement: No heat Measurements: Approximately 40mm diameter About the Setting:The sophisticated Art Deco design features a geometric spiral motif executed in platinum and 14K white gold construction. The substantial 24.23-gram weight demonstrates exceptional craftsmanship with intricate channel and prong settings throughout. The spiral design creates dynamic visual movement while maintaining perfect balance and proportion characteristic of the Art Deco era.About the Stones:The centerpiece is an AGL certified natural ruby from Burma (Myanmar) with no heat treatment, measuring 7.96 x 7.17 x 4 mm and weighing approximately 2 carats. The ruby displays rich red coloration with excellent clarity and mixed cut faceting that maximizes brilliance. Surrounding the center ruby are 80 carefully matched diamonds in various cuts including round brilliants, baguettes, and a triangular diamond accent. Additional ruby baguettes create stunning color contrast throughout the geometric composition.

    $50,000.00

  • 11 Carat Oval Cut Burma Pink Ruby & Diamond Cluster Dome Ring

    11 Carat Oval Cut Burma Pink Ruby & Diamond Cluster Dome Ring

    Set in 18k white gold, this ring centers a GRS certified 2.48 carat oval cut Pinkish Red Burma Ruby with no heat treatment. Adorned with 117 round-cut rubies (8.19ctw) and 32 round cut diamonds (0.33ctw). Ring size 7. The Ruby has a charming vivid saturation of red with pink undertones. Featuring excellent transparency clarity and color uniformity. Overall Stone with very impressive luster and a good spread that really shows the carat size.Details: Item Type: Statement Ring Metal: 18K White Gold Size: 7 Certificate: GRS Certified Treatment: No Heat (Natural) Origin: Burma (Myanmar) Center Stone Details: Type: Ruby Carat: 2.48 Color: Pinkish Red Cut: Oval Brilliant Origin: Burma (Myanmar) Measurements: 9.82 x 6.46 x 3.86 MM Treatment: No Heat GRS Certified #: 2018-058682 Side Stone Details: Type: Diamond Total Carat: 0.33 carats in diamonds, 8.19 carats in rubies Diamond Color: F-G Diamond Clarity: VS1-VS2 Cut: Round Brilliant About the Setting:The 18K white gold setting features an impressive dome design completely encrusted with rubies and diamonds in a luxurious pave style. The substantial mounting showcases exceptional craftsmanship with precise stone placement creating a continuous sparkle across the entire surface.About the Stone:This 2.48 carat Burma ruby represents the pinnacle of ruby quality with GRS certification confirming its natural, unheated status and prestigious Myanmar origin. The vivid pinkish red color displays exceptional saturation and brilliance, while the surrounding ruby and diamond pave creates a stunning tapestry of pink and red tones. Burma rubies of this caliber with no heat treatment are increasingly rare and highly collectible.

    $50,000.00

  • AGL Certified No Heat Ceylon Pink Sapphire and Diamond Platinum Floral Brooch

    AGL Certified No Heat Ceylon Pink Sapphire and Diamond Platinum Floral Brooch

    This exquisite platinum floral brooch features four AGL certified no-heat Ceylon pink sapphires surrounded by twenty-seven round diamonds in elegant botanical design. The brooch weighs 13.30 grams and showcases exceptional mid-century craftsmanship.Details: Item Type: Floral Brooch Pin Metal: Platinum Weight: 13.30 grams Period: Retro (circa 1960) Certificate: AGL 1120688Center Stones: Type: Natural Pink Sapphire (Ceylon/Sri Lanka) Quantity: 4 pieces Color: Reddish Pink Enhancement: No Heat Shape: Cushion Cut: Modified Step Cut and Step Cut Measurements: 10.8 x 7.2 x 4.9 mm to 6.8 x 4.8 x 4.4 mm Origin: Ceylon (Sri Lanka) Accent Stones: Type: Diamond Cut: Round Brilliant Quantity: 27 pieces Other Important Details: AGL Certificate: 1120688 (March 2, 2022) Origin: Ceylon (Sri Lanka) Enhancement: No gemological evidence of heat treatment Color Test: Stable color determined Measurements: Approximately 65mm length About the Setting:The sophisticated floral design showcases exceptional platinum craftsmanship with flowing botanical motifs characteristic of mid-century jewelry design. The substantial 13.30-gram construction demonstrates museum-quality workmanship with secure prong settings for each sapphire and bezel settings for the diamonds. The graceful, curved lines create natural movement while maintaining perfect structural integrity.About the Stones:The four Ceylon pink sapphires are AGL certified with no heat treatment, displaying beautiful reddish-pink coloration with excellent transparency and step cut faceting. These natural corundum gems from Sri Lanka range in size from 10.8 x 7.2 mm down to 6.8 x 4.8 mm, creating visual depth and interest. The twenty-seven round brilliant diamonds provide sparkling contrast against the warm pink sapphires, enhancing their natural beauty through expert placement throughout the floral composition.

    $75,000.00

  • 6.76 Carat Pair Of GIA Certified Pear Cut Diamonds - I Color SI1-SI2 Loose

    6.76 Carat Pair Of GIA Certified Pear Cut Diamonds - I Color SI1-SI2 Loose

    GIA-certified pair of pear-cut natural loose diamonds. Both I color and range from SI1-SI2 in clarity.Diamond Details (1) Item Type: Loose Natural Diamond Shape: Pear Brilliant Cut Weight: 3.36 Carat Color Grade: I Clarity Grade: SI1 Cut: Brilliant Fluorescence: Medium Blue Polish: Excellent Symmetry: Very Good Certification: GIA 2231586605 Measurements: 12.54 x 8.45 x 5.33 mm _____Diamond Details (2) Item Type: Loose Natural Diamond Shape: Pear Brilliant Weight: 3.40 Carat Color: I Clarity: SI2 Cut: Pear Brilliant Polish: Excellent Symmetry: Excellent Fluorescence: Medium Blue Certification: GIA Report #6227396804 Measurements: 12.45 x 8.37 x 5.35 mm

    $76,000.00

  • GIA Certified 5.02 Carat Round Cut Diamond G Color SI1 Clarity Loose Stone

    GIA Certified 5.02 Carat Round Cut Diamond G Color SI1 Clarity Loose Stone

    This GIA-certified 5.02 carat round brilliant diamond features a crisp G color and clean SI1 clarity with very good cut, making it an ideal choice for a stunning engagement ring or heirloom piece. A powerful yet classic shape, this diamond measures 10.85 x 10.94 x 6.92 mm.Details: Item Type: Loose Diamond Weight: 5.02 Carats Shape: Round Brilliant Color Grade: G Clarity Grade: SI1 Cut Grade: Very Good Polish: Excellent Symmetry: Good Fluorescence: Medium Blue Certification: GIA #2231389097 Measurements: 10.85 x 10.94 x 6.92 mmThis round brilliant cut diamond boasts a well-proportioned silhouette with vibrant fire and brilliance. G color offers near-colorless beauty while SI1 clarity ensures great value with only minor inclusions invisible to the naked eye. The very good cut ensures optimal light performance, while the medium blue fluorescence adds a subtle glow under UV light.

    $131,000.00

  • GIA Cert. 4.02 Carat E Color VS2 Clarity Oval Cut Loose Natural Diamond

    GIA Cert. 4.02 Carat E Color VS2 Clarity Oval Cut Loose Natural Diamond

    This GIA-certified 4.02 carat diamond features an elegant oval cut with excellent sparkle and impressive face-up size. Graded E color and VS2 clarity, it's a brilliant choice for high-end custom jewelry designs.Details: Item Type: Loose Diamond Shape: Oval Brilliant Weight: 4.02 Carats Color Grade: E Clarity Grade: VS2 Cut: Oval Polish: Very Good Symmetry: Good Fluorescence: Strong Blue Measurements: 11.81 x 9.01 x 5.73 mm Certification: GIA 1236034732This 4.02 carat diamond features a well-balanced oval brilliant cut with strong brilliance and a white E color grade that appears bright and clean in any setting. The VS2 clarity ensures no distracting inclusions to the naked eye, and the excellent polish brings out the full fire of the gem. Its elongated profile makes it especially flattering in solitaire or halo ring designs.

    $120,000.00

  • GIA Certified 4.03 Carat Round Brilliant Diamond D Color I1 Clarity Loose Stone

    GIA Certified 4.03 Carat Round Brilliant Diamond D Color I1 Clarity Loose Stone

    This 4.03 carat GIA-certified loose diamond features a round brilliant cut with icy D color and natural I1 clarity inclusions, making it an impressive choice for a standout solitaire or custom setting. A budget-friendly statement stone offering premium size and sparkle at a great value.Details: Item Type: Loose Diamond Carat Weight: 4.03 Carat Shape & Cut: Round Brilliant Color Grade: D Clarity Grade: I1 Cut Grade: Very Good Polish: Very Good Symmetry: Good Fluorescence: Medium Blue Certification: GIA 5232490896 Measurements: 10.32 x 10.37 x 6.22 mmThis 4.03 carat round brilliant diamond shines in a top-tier D color—an exceptional white grade. Though it carries an I1 clarity with visible inclusions such as twinning wisps and feathers, the sparkle and life of this stone remain bright and full. Its large spread and lively brilliance make it a strong option for a dramatic centerpiece.Certified by GIA, the most respected gem authority, this diamond is proportioned with a very good cut and polish, allowing excellent light reflection. It’s a striking diamond with notable size and presence, ideal for buyers wanting maximum impact without the premium of higher clarity stones.

    $36,000.00

  • 45 Carat Star Sapphire Ceylon No Heat Blue Art Deco Pendant

    45 Carat Star Sapphire Ceylon No Heat Blue Art Deco Pendant

    Art Deco Natural Ceylon Blue Star Sapphire Platinum Pendant Necklace - AGL CertifiedExtraordinary Art Deco era natural Ceylon blue star sapphire pendant featuring 45-carat cabochon-cut sapphire in platinum filigree setting with old-cut diamonds. Vintage 1930s pendant measures 42 x 26mm suspended from 24-inch platinum chain, certified by AGL #1148337.Product Specifications: Item Type: Vintage Pendant Necklace Metal: Platinum 950 Era: Art Deco, circa 1930 Pendant Size: 42 x 26mm Chain Length: 24 inches Setting: Millegrain and filigree Certification: AGL #1148337 Center Stone Details: Gemstone: Natural Star Sapphire Carat Weight: Approximately 45 carats Color: Ceylon Blue Cut: Cabochon Origin: Ceylon (Sri Lanka) Measurements: 19.6 x 17.3 x 12.3mm Treatment: Unheated (No enhancement) Star Quality: Good with moderate strength Transparency: Transparent to semi-transparent Diamond Details: Type: Old-cut diamonds Era: Period-appropriate vintage cuts Design & ConstructionPlatinum filigree mounting features intricate Art Deco geometric patterns with millegrain detailing characteristic of 1930s craftsmanship. Open-back setting maximizes light transmission through the star sapphire, enhancing asterism visibility. The six-ray star phenomenon creates moving light bands across the cabochon surface under direct illumination. Old-cut diamonds are integrated throughout the ornate platinum framework, providing vintage sparkle that complements the sapphire's mystical star effect.Historical SignificanceThis AGL-certified unheated Ceylon star sapphire represents exceptional rarity, combining substantial carat weight with natural asterism and provenance from Ceylon, Sri Lanka's legendary gem deposits. The Art Deco mounting preserves 1930s jewelry artistry, making this piece both a gemological treasure and historical artifact.

    $128,000.00

  • Edwardian GIA Certified Saltwater Pearl & Old Euro Cut Diamond Necklace

    Edwardian GIA Certified Saltwater Pearl & Old Euro Cut Diamond Necklace

    Original antique Edwardian era GIA certified saltwater pearl and diamond necklace in a platinum setting. The Pearls are all natural, untreated, and feature excellent luster. Fitted with a box closure and 14-inch length. This necklace is a piece of history, art, and luxury. Saltwater natural pearls of this quality are truly rare because they are simply not found anymore in natural saltwater environments. A necklace of this antiquity and rarity should be cherished and admired by sophisticated collectors and enthusiasts for generations to come. Accompanied by a GIA Certificate (#5172307706), this necklace is a true embodiment of grace and elegance. Item Details: - Type: Saltwater Pearl Necklace - Metal: Platinum - Era: Edwardian - Size: 14 Inch length - Weight: 27.46 Grams Pearl Details: - Type: Natural Pearl - Origin: Saltwater - Mollusk: Pinctada species - Color: Cream - Overtone: None and orient - Shape: Variously shaped - Pearl Measurements: Ranging from 2.97mm to 5.90 X 8.62mm (length not measurable) - Treatment: None ____________________________ Diamond Details: - Cut: Old-European - Color: I-J - Quantity: 122 ____________________________ GIA Certificate #: 5172307706 GIA Item Description: Random Sample of 10 (ten out of numerous) drilled pearls in a triple strand necklace with white metal pendant, two spacers and a clasp each set with numerous transparent near-colorless old European brilliants and single cut. GIA Comments: A random sample from the pearls has been tested. Pearls are identified and described insofar as mounting/drilling permits analysis. Mollusk identification is an expert opinion based on a collection of observations and analytical data.

    $75,000.00

  • GIA Certified Gumps San Francisco Type A Lavender Jadeite Bead Necklace

    GIA Certified Gumps San Francisco Type A Lavender Jadeite Bead Necklace

    This elegant 32-inch double-wrap necklace features rare untreated lavender jadeite jade beads with a rich, translucent hue. Finished with a 14K yellow gold clasp, this piece is signed by Gumps San Francisco—a refined collector’s staple.The Jade is certified by GIA as Type A Jadeite Jade, otherwise known as Fei Cui.Item Details: Item Type: Necklace Metal: 14K Yellow Gold (clasp) Center Stone Details: Type: Jadeite Jade Color: Lavender (Purple) Cut: Round Beads Transparency: Translucent Origin: Known in trade as "Fei Cui" Treatment: No indications of dye or impregnation (Type A) Certification: GIA Report #2235600893Measurements: Bead Size: 11.55 mm to 11.69 mm diameter Total Length: 32 inches (single strand; can be worn as double choker) Total Weight: 130.20 grams This necklace is strung with graduated lavender jadeite beads exhibiting soft translucency and gentle natural variation. The beads are securely finished with a polished 14K yellow gold box clasp for seamless closure and wearability. The double-wrap length adds versatile styling—from a classic choker to an elongated strand.The untreated Type A jadeite beads in this necklace are natural and unenhanced, showcasing delicate shades of lavender-purple with beautiful internal glow. GIA has confirmed the beads are free from dye and polymer, classifying them as top-quality Type A jade. This refined strand reflects Gumps San Francisco’s reputation for timeless elegance.

    $42,350.00

  • GIA Certified 2.68 Carat Round Cut H Color SI1 Clarity Loose Diamond

    GIA Certified 2.68 Carat Round Cut H Color SI1 Clarity Loose Diamond

    GIA Certified 2.68 carat round brilliant cut natural diamond in H color and SI1 clarity with excellent cut, excellent polish, and very good symmetry. Loose stone with no fluorescence and eye-catching brilliance. GIA 2215077423. Details: Item Type: Loose Natural Diamond Certification: GIA Certified (Report No. 2215077423) Carat: 2.68 Carat Color: H Clarity: SI1 Cut: Round Brilliant Cut Grade: Excellent Polish: Excellent Symmetry: Very Good Inscription: GIA 2215077423 Measurements: 9.04 x 9.08 x 5.39 mmThis is a loose diamond and is not set. It can be mounted in a ring, pendant, or any custom design of your choice. Ideal for bespoke or investment use.The excellent cut ensures maximum brilliance and fire, while the near-colorless H grade and SI1 clarity provide strong value and eye-clean appeal. A sophisticated and timeless option for collectors and couples alike.

    $28,000.00

  • GIA Certified 3.01 Carat Cushion Cut E Color VVS1 Clarity Loose Diamond

    GIA Certified 3.01 Carat Cushion Cut E Color VVS1 Clarity Loose Diamond

    GIA Certified 3.01 carat cushion cut loose natural diamond with E color and VVS1 clarity. Ships overnight.Details: Item Type: Loose Diamond Weight: 3.01 Carat Certification: GIA Certified (Report No. 6415102647) Cut: Cushion Brilliant Color: E Clarity: VVS1 Measurements: Refer to GIA Report Origin: Natural This rare stone delivers unmatched brilliance and investment-grade quality.Backed by GIA certification (6415102647), this stone ensures top-tier quality, accuracy, and traceability.

    $78,000.00

  • GIA Certified 5.10 Carat Lucida Cut Tiffany & Co. I-VS1 Loose Diamond

    GIA Certified 5.10 Carat Lucida Cut Tiffany & Co. I-VS1 Loose Diamond

    GIA Certified 5.10 carat Lucida cut loose natural diamond with I color and VS1 clarity. A rare patented cut made exclusively by Tiffany & Co. A genius mix between a step cut and a brilliant cut. The Lucida trademark is engraved on the girdle along with the GIA report number.Details: Item Type: Loose Diamond Shape: Lucida Cut (Tiffany & Co.) Carat: 5.10 Carat Color: I Clarity: VS1 Cut Style: Cut-Cornered Square Mixed Cut Certification: GIA Certified (Report No. 1417973474) Polish: Very Good Symmetry: Very Good Fluorescence: None Inscription: GIA 1417973474, LUCIDA™ Measurements: Dimensions: 10.21 x 9.91 x 6.79 mm GIA Report No.: 1417973474 This is a loose unset diamond and not mounted in a Tiffany setting, allowing for full customization. Ideal for creating bespoke engagement rings or high-value collector pieces.The Lucida cut is a trademark cut by Tiffany & Co., known for its distinct brilliance. This 5.10 carat diamond features exceptional VS1 clarity and I color with strong geometric structure, delivering a bold and timeless look for fine jewelry design or investment purposes.Contact us if you want to have this stone set in a ring of your choice.

    $115,000.00

  • GIA Certified 5.36 Carat Emerald Cut J Color VS1 Clarity Loose Diamond

    GIA Certified 5.36 Carat Emerald Cut J Color VS1 Clarity Loose Diamond

    GIA Certified 5.36 carat emerald cut loose natural diamond with J color and VS1 clarity. This is a truly rare diamond due to its highly desirable elongated cut/shape, a 1.95 ratio. Almost has the dimensions of a marquise cut diamond.Details: Item Type: Loose Diamond Shape: Emerald Cut Weight: 5.36 Carat Color: J Clarity: VS1 Cut: Step Cut Fluorescence: Medium Blue Polish: Very Good Symmetry: Very Good Certification: GIA Certified (Report No. 6234182836) Measurements: 15.18 x 7.75 x 5.08 mmNot mounted. This loose emerald-cut diamond is ready to be customized into a bespoke ring, pendant, or other high-end jewelry piece. In stock and ships overnight.This 5.36 carat emerald cut diamond showcases exceptional clarity and crisp geometry with brilliant step facets. The J color blends beautifully with yellow or white metal settings, and the medium blue fluorescence adds a unique glow under UV light. A rare find for collectors or jewelers crafting a statement piece.

    $106,000.00

  • Rare GIA Certified 50 Carat Greenish Blue Zircon Pendant Necklace with Diamonds in Platinum & 18K Yellow Gold

    Rare GIA Certified 50 Carat Greenish Blue Zircon Pendant Necklace with Diamonds in Platinum & 18K Yellow Gold

    GIA certified brilliant cushion cut greenish blue zircon and diamond pendant necklace. The pendant, expertly crafted with platinum 900 and 18K yellow gold, weighs 26.25 grams and measures 1.50" x 0.7" inches. The centerpiece is a striking 50 carat zircon, boasting a stunning greenish-blue hue, with incredible transparency and luster. The stone is impeccably clean and vibrant, uncommon for zircon of this size. With no visible fissures or inclusion lines. It is extremely rare to find a zircon of this size, color, and vibrance without any inclusions. A truly valuable gemstone for the seasoned and sophisticated gemstone enthusiast. Accompanying the zircon are three princess-cut diamonds totaling 0.66 CTTW and 31 Round-cut Diamonds totaling 3.41 CTTW, both E-F Color and VS1 Clarity. Comes with an 18-inch, 14k gold cable or rope chain of 3mm. Item Video: https://youtube.com/shorts/SLZCLOpGEwgItem Details:- Type: Pendant Necklace - Metal: Platinum 900, 18K Yellow Gold - Weight: 26.25 Grams - Setting: Prong, Bezel - Pendant: 1.50" x 0.7" Inch Center Stone Details:- Type: Zircon - Carat: 50 (approx.)- Cut: Cushion - Color: Greenish-Blue - Transparency: Transparent - Treatment: None found - Measurements: 18.05 x 16.76 x 14.67 GIA Certificate #: 5222986546___________________________________Diamond Details(1): - Carat: 0.66 CTTW - Cut: Princess- Clarity: VS1- Color: E-F - Quantity: 3 Diamond Details(2): - Carat: 3.41 CTTW - Cut: Round - Clarity: VS1- Color: E-F - Quantity: 31 GIA Certification Note: Center stone set in and yellow and white metal pendant with three (3) near colorless square modified brilliants and numerous near colorless round brilliants. __________________________________★ Ships from Miami Florida ★SHIPPING TIMES:USA: 2-4 business days (USPS/FedEx)Other countries: 3-7 business days★ Certificate of appraisal included upon request ★

    $78,540.00

© 2025 Time & Carat

    • PayPal
    • Venmo

    Login

    Forgot your password?

    Don't have an account yet?
    Create account