6.28 Carat Total Oval-Cut GRS Certified Royal Blue Ceylon Sapphire with Round-Cut Diamond Halo Stud Earrings in 18k Yellow Gold. Push Back closure, with two GRS certificates. Details: Item Type: Stud Earrings Metal: 18K Yellow Gold Weight: 11.06 Grams Closure: Push Back  Center Stone Details: Type: Sapphire Carat: 6.28 CTW (3.21ct + 3.07ct) Color: Royal Blue Cut: Oval Cut Quantity: 2pcs Origin: Ceylon, Sri Lanka Measurements: 9 x 7 MM (avg.) GRS Certified (2)   Side Stones Details: Type: Diamonds Cut: Round Carat: 3.07 Quantity: 20pcs These exquisite earrings feature a stunning matching pair of oval-cut royal blue sapphires from Ceylon, Sri Lanka, beautifully set in 18K yellow gold. The Sapphires are 3.21 carats, and Each earring showcases two vibrant sapphires, complemented by 20 round-cut diamonds totaling 3.07 carats. Weighing 11.06 grams, these earrings combine the rich, deep blue of the sapphires with the sparkling brilliance of the diamonds, making them a striking statement piece that exudes elegance and sophistication. Perfect for adding a touch of luxury to any outfit.

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GRS Certified 5.83 Carat Oval Cut No Heat Sri Lanka Origin Blue Sapphire and Round Cut Diamond Halo Platinum Pendant Necklace. Item Details: Item Type: Pendant Necklace Metal Type: Platinum 900 Weight 5.59 Grams Closure: Spring Ring Center Stone Details: Type: Sri-Lanka Sapphire Carats: 5.83 Cut: Oval Setting: 4-Prong Certification: GRS Side Stone Details: Type: Natural Diamonds Carat: 2.10 Total Cut: Round Quantity: 17 Setting: Prong Halo This elegant platinum pendant necklace features a stunning 5.83 carat oval-cut no-heat Sri Lanka sapphire, certified by GRS, and set in a secure 4-prong design. Surrounded by a halo of 17 natural round-cut diamonds, totaling 2.10 carats, this piece radiates luxury and timeless beauty. Weighing 5.59 grams, this pendant is perfect for those who appreciate the rarity and brilliance of a no-heat sapphire, beautifully complemented by the sparkle of diamonds.

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GIA Certified 155.48 Carat Cabochon Cut No-Heat Purple Star Sapphire in 18K Gold Bezel Set Statement Pendant. Fixed on an oval link cable chain necklace. Details: Item Type: Statement Pendant Necklace Metal: 18K Yellow Gold Setting: Bezel Center Gemstone Details: Type: Star Sapphire Carat: 155.48 Carat Color: Purple Treatment: None (no heat) Cut: Cabochon (oval shape) GIA Certified

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A collector’s masterpiece featuring a 3.04 carat no-heat Burmese Star Ruby with striking asterism, elegantly encircled by natural baguette and round diamonds in a handcrafted 18K white gold sunburst dome shank ring setting. A rare heirloom-grade investment piece.Details: Item Type: Cocktail Ring Metal: 18K White Gold Size: US 7.5 (Adjustable) Weight: 11.23 grams Shank: Split Shank Center Gemstone Details: Type: Natural Star Ruby Carat: 3.04 Carat Color: Red (Medium Strong Saturation) Cut: Round, Cabochon Origin: Burma Treatment: No Heat Measurements: 8.31 - 8.45 x 5.03 MM Certification: AGL & SSEFSide Stones Details: Type: Natural Diamonds Cut: Baguette, Round, Marquise A luxurious collector’s treasure, this star ruby ring is not just rare, it's refined. At the heart of this handcrafted masterpiece lies a 3.04ct natural star ruby from Burma, certified by both AGL and SSEF as untreated and exhibiting a moderate, authentic asterism (star). This design draws inspiration from celestial elegance. The bold sunburst motif, formed through a combination of high-polish gold and step-cut diamond geometry, brings a regal yet modern aesthetic. A powerful statement piece ideal for collectors of rare gems or those seeking heirloom-level craftsmanship with certification-backed authenticity.

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GRS Certified 10.36 carat oval-cut, no-heat violetish-blue sapphire of Sri Lankan origin, set in an 18K white gold statement ring with pavé-set diamonds. The sapphire shows a near royal blue color with a violetish undertone, excellent saturation, even distribution, and clarity that is more than eye clean. Its brilliance and luster are striking, capturing the eye with ease. This is an unmistakably natural sapphire of noticeable value. This Sapphire has no heat or clarity enhancements of any kind. The ring is crafted in polished 18K white gold with over 1 carat of diamonds set along the shank, basket, and cathedral. Designed with a breathable cathedral back for comfort and lasting wear. Details: Item Type: Statement Ring Metal: 18K White Gold Weight: 10.24 Grams Ring Size: 7.5 (adjustable) Center Stone Details: Type: Sapphire Carat: 10.36 Carats Color: Violetish-Blue Cut: Oval Treatment: None Origin: Sri Lanka GRS Certified Side Stones Details: Type: Diamond Cut: Round Brilliant Cut Color: F-G Clarity: VS1-VS2 Carat Weight: 1.06 ctw (96 stones) The unheated Sri Lankan sapphire at the center of this ring stands out for its vibrant violetish-blue hue, a rare and prized color that showcases the sapphire’s natural characteristics. The ring is complemented by 96 round diamonds, expertly set to enhance its stunning presence. As a no-heat sapphire, this gemstone retains its natural beauty, offering a unique and organic look that’s often sought after by collectors and jewelry connoisseurs. This ring is a true testament to luxury and timeless elegance.

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Details: Item Type: Star Sapphire Ring Metal: 18K Yellow Gold Size: 7.5 (adjustable) Weight: 16.87 grams Center Stone Details: Type: Natural Star Sapphire Carat: 54.31 Color: Blue (Star Sapphire) Cut: Cabochon Transparency: Transparent to Semi Transparent Origin: Burma Treatment: None Measurements: 22.99 x 18.28 x 12.56 mm Strength Of Star: Strong Quality Of Star: Very Good to Good Certification: AGL Report #1140987 Side Stones Details: Type: Diamond Cut: Round Brilliant Color: E-F Clarity: VVS1-VVS2 Carat: 1.39 tw Quantity: 30 A rare gem that stands alone. This AGL certified 54.31 carat cabochon cut Blue Star Sapphire is a true spectacle. Featuring an intense, deep blue saturation and a seldom seen double star effect at 30 degrees view. The sapphire has no heat or clarity enhancements of any kind and originates from the legendary mines of Burma (Myanmar). Typically, star sapphire's need to be opaque in order to see the star effect, but this stone has a strong star effect with an impressive amount of transparency, so you can still see through the gemstone. This incredibly rare mix of carat, natural color, star strength, origin, and transparency make for a star sapphire that's truly worth of distinction. Mounted in a classic round diamond halo and set in an 18k yellow gold ring with a comfortable gallery back setting.

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A rare and highly coveted gemstone. A 7.25 carat cushion cut ruby. GRS certified as vivid purplish red, unheated, and from Siam (Thailand). Set in 18k yellow gold and platinum with a round cut diamond halo. The ruby is slightly elongated, but set horizontally east to west to offer a distinctive and unique width on the finger One of the most impressive and important gemstones in our vault. Overall an investment grade gem. Specifications: Item Type: Cocktail Ring Metal: Platinum & 18K Yellow Gold Weight: 6.26 Grams Ring Size: 6 (adjustable) Center Stone: Type: Natural Ruby Carat: 7.25 Cut: Cushion Treatment: None, No Heat Color: Vivid Purplish Red Origin: Siam (Thailand) Measurements: 11.10 x 10.84 x 6.31 GRS Certified: 2016-108963 Side Diamonds: Total Diamond Count: 12 Total Carat Weight: Approx. 1.80 ctw Cut: Round Brilliant Clarity: VS1-VS2

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This natural 7.77 carat unheated Ceylon blue sapphire ring is a striking statement of elegance and rarity. It is both AGL Certified and SSEF certified as originating from Ceylon (Sri Lanka) and having no heat or clarity treatment of any kind. Set in 18k white gold with 2 shield cut diamond side stones of over 1 carat each and round cut diamonds on the shank and basket. Mounted in an open back 4 prong setting so the stone's natural color is on full display. This is a true investment piece for those with a sophisticated and refined understanding of high jewelry. Details: Item Type: Sapphire & Diamond Ring Metal: 18K White Gold Weight: 4.73 grams Ring Size: 7 Center Stone Details: Type: Natural Sapphire Carat: 7.77 Color: Deep Blue Cut: Cushion Transparency: Transparent Origin: Ceylon (Sri Lanka) Treatment: None Measurements: 11.91 x 10.24 x 7.19 MM Certification: AGL (#1092865) and SSEF (#101083) Side Stones Details: Type: Diamonds Cut: Shield Carat: 2 pcs, 2.20 ctw Color: E Clarity: VS1-SI1 Additional Accent Diamonds: Cut: Round Brilliant Color: White Clarity: VS1-VS2 Carat: 52 pcs, 0.50ctw This ring is unmistakably natural and noticeably valuable, featuring a rare unheated Ceylon sapphire with a deep blue hue, unmatched in quality. The D-F colorless diamonds enhance its brilliance, making this an extraordinary, one-of-a-kind heirloom piece that no one else will have.

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GRS Certified 6.45 carat unheated oval cut Ruby from Burma. Adorned with a diamond halo of 12 round cut white diamonds totaling 2.96 carats (0.25ct each). All set in a luxurious 18K white gold band with a floral basket mounting the center stone and an open back. Details: Item Type: Ruby and Diamond Cocktail Ring Metal: 18K White Gold Ring Size: 7 (adjustable) Weight: 7.14 grams Setting: Prong, Halo Center Stone Details: Type: Ruby Carat: 6.45 Color: Red Cut: Oval, Brilliant/Step (5) Origin: Burma Treatment: None (No Heat) Dimensions: 13.19 x 9.58 x 4.42 mm GRS Certified #2024-058361Side Stone Details: Total Diamonds: 12 Round Diamonds Carat Weight: 2.96 total for 12 stones (~0.25 ct each) Cut: Round Clarity: VS1-VS2 Color: F-G The center stone merits praise for it's superbly rich color and excellent material. While offering charming hints of pinkish red, it's undeniably a red ruby. The stone bears the ideal proportion and shape for an oval cut and the tone exhibits excellent transparency. Hailing from the legendary mines of Burma, more specifically the Mogok valley in Myanmar. It's certainly from the old mine deposits where the material is much finer and has more richness and depth when compared to the newer stones.The ring setting has a custom made deign where the diamond halo creates a concave around the diamonds, they point upwards to protect the center ruby and provide a slight shadow that gives the stone a darker hue indoors.

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AGL certified 10.35 carat no heat Ceylon oval cut pinkish purple sapphire and mixed cut diamond cluster platinum ring. The stone bears excellent luster, transparency, and color. It is rare to find a natural sapphire of this quality and size with such a richly saturated color and even color distribution, especially without having any heat treatment. It is a truly rare gem set in a ring that you will not find elsewhere. The bold cluster design offers full finger coverage and can be worn alone as a statement piece. It features 5.25 carats in 8 pear cut, 16 marquise cut, and 14 round cut natural white diamonds of superb color and clarity. Details: Item Type: Cluster Ring Metal: Platinum Weight: 17 Grams Ring Size: 7 - Comes with sizing guard on the interior ring shank Center Stone Details: Type: Natural Sapphire Carat: 10.35 Color: Pinkish Purple Cut: Oval Transparency: Transparent Treatment: None Origin: Ceylon AGL Certified. Side Stones Details: Type: Natural Diamond Cut: Pear, Marquise, and Round Brilliant Color: F-G Clarity: VVS2-VS1 Carat: 5.25 ctw (2.25ct marquise, 2ct pear, 1ct round) This one-of-a-kind piece is unmistakably natural and noticeably valuable, featuring a rare purple-pink sapphire surrounded by an intricate diamond cluster—ensuring no one else will have anything like it.

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Rare GRS Certified 47.10 Carat Unheated Rectangular Cushion Cut Yellow Sapphire of Sri Lanka (Ceylon) Origin. Set in a vintage two tone platinum and 18k gold ring setting. Flanked by 50 old-cut natural diamonds. The ring setting bears a hand made milgrain finish mounting the old cut diamonds in a stunning floral motif pattern. Likely originating from the Art-Deco era to the mid-century retro era, circa 1940. It's a substantial piece with an investment grade center stone. Details: Item Type: Statement Ring Origin: Vintage, Circa 1940 Metal: 18K Yellow Gold & Platinum Weight: 10.66 Grams Center Stone Details: Type: Natural Sapphire Carat: 47.10 Color: Yellow Cut: Rectangular Cushion Origin: Ceylon (Sri Lanka) Transparency: Transparent Measurements: 20.70 x 16.60 x 13.31 MM Treatment: None (No Heat) GRS Certified: GRS2016-108962 Side Stones Details: Type: Natural Diamonds Cut: Old European Cut 50 diamonds (total carat weight not specified due to mounting) Color: H-J Clarity: SI2-SI1 This one-of-a-kind masterpiece is a testament to fine craftsmanship and the rarity of no-heat Ceylon sapphires. Whether as an investment piece or a statement heirloom, this ring exudes unparalleled elegance and sophistication.

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GRS Certified 4.17 Carat Minor Oil Colombian Emerald and 1.60 Carat Diamond Cocktail Ring in 14K White Gold. Unisex. Details: Item Type: Cocktail Ring Metal: 14K White Gold Size: 7 1/4 (Adjustable) Weight: 8.67 grams Band Width: 8mm Center Stone Details: Type: Natural Emerald Carat: 4.17 Carat Color: Pastel Green Cut: Step Cut (Octagonal) Origin: Colombia Measurements: 9.96 x 9.25 x 7.03 MM Treatment: Minor Oil (GRS Certified) Certification: GRS Report #GRS2024-039563Side Stones Details: Type: Natural Diamonds Carat: 1.60 CTTW Cut: Baguette & Round Brilliant This one-of-a-kind cocktail ring is designed to turn heads. At its heart, a 4.17-carat Colombian emerald glows with a rich, natural presence, enhanced by its expertly cut facets. A shimmering array of baguette and round diamonds frame the centerpiece, creating a striking contrast against the sleek 14K white gold setting. The bold 8mm band gives it a structured, statement look while maintaining a refined balance. Every detail—from the precise craftsmanship to the emerald’s color, luster, and unmistakable origin—makes this piece an exquisite addition to any collection.About The Emerald: The emerald center stone bear incredible luster, with a pastel yellowish green color that's unmistakably of Colombian origin. The Gem displays very good clarity, with a rich, deep color and brilliance that's noticeably valuable - all with minor oil treatment, which is quite rare for an emerald of this color, brilliance and size.

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A rare and striking investment grade 20.07 carat "Royal Blue" No Heat Burma Sapphire takes center stage in this elegant 18K white gold ring, flanked by 2 half moon cut diamond and accented by a round cut diamond hidden halo. From the fabled depths of Burma. This gemstone is a masterpiece. A unique mix of a Star Sapphire and a regular Sapphire. Most Star Sapphires need to be opaque in order to see the star effect, but this Gem bears mesmerizing star effects on the edges while still having incredible transparency, so you can see the galaxy of rich blue color that's deep inside the stone. Set with an open back setting and a vividly saturated blue hue that penetrates the entire gem with even distribution and excellent luster. Details: Item Type: Sapphire and Diamond Ring Metal: 18K White Gold Weight: 5.96 Grams Ring Size: 6 (adjustable) Sapphire Details: Carat: 20.07 Cut: Double Cabochon Color: Vivid Blue, GRS "Royal Blue" Origin:  Burma Treatment: None (No Heat) Transparency: Transparent Measurements: 16.33 x 12.24 x 10.64 MM Certification: GRS Certified #1088725 Side Stones Details: 2 Half Moon Cut Diamonds, 1.17 CTW (F-G/VVS1-VV2) 38 Round Cut Diamonds, 0.16 CTW (F-G/VVS1-VV2) View this post on Instagram A post shared by Assay (@assayjewelry)  

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