Sold2022A platinum, star sapphire and diamond ringPlatinum; Stamped: 10% Irid P / Plat Centering an oval star sapphire gauged at 11.3mm x 9.7mm x 5.15mm flanked on either side by two old European-cut diamonds totaling approximately 0.30ct. and gradeSee Sold Price
Sold2022Group of Star Sapphire and Diamond RingsMETAL: platinum and 14K white gold GEMSTONE(S): cabochon star sapphire approx. 15.90 x 14.95 x 11.15 mm and 9.45 x 9.35 x 8.40 mm; accented with single and baguette cut diamonds RING SIZE: 7-1/4; 6 WESee Sold Price
Sold2015Lady’s Platinum Purple Star Sapphire Diamond DinnerLady’s platinum purple star sapphire diamond dinner ring. Cabochon measures 15.2 x 13.6 x 10 1/2mm tall. Set with 10 round full-cut diamonds, 8 round single-cut diamonds, 10 straight baguette cut diSee Sold Price
Sold2020Tiffany & Co Platinum 2.55ct Sapphire Diamond RingPlatinum Tiffany & Co ring with oval approx. 2.55ct violetish-blue sapphire ( abraded) and approx. 0.70ctw in diamonds. Ring size - 4.5, ring top - 15mm x 12mm. Marked: Tiffany & Co, Irid. Plat. WeighSee Sold Price
Sold2021Palladium Star Sapphire and Diamond RingCeylon cabochon blue star oval sapphire 18.6 mm x 15.7 mm x 11.87 mm surrounded by diamonds 8.7 dwt gross, ring size 6 1/2 with American Gemological Laboratories reportSee Sold Price
Sold2023Platinum, Star Sapphire, and Diamond RingPlatinum, Star Sapphire, and Diamond Ringthe round cabochon star sapphire (13.62 x 12.16 x 7.20 mm) weighing approximately 12.83 carats prong set within a halo set with full cut round diamonds weighinSee Sold Price
Sold2015Platinum 10.5ct Star Ruby Diamond RingRing size 8 1/2, ring top is 11mm x 15mm. Star ruby cabochon - approx. 10.5ct, two side baguette diamonds - approx. 0.45ctw. Marked plat. Weight - 7.8 grams.Gemstones have not been graded for color anSee Sold Price
Sold2024Platinum Marquise Diamond Sapphire RingMetal : Platinum Designer : Not Signed Gemstone : Center marquise diamond approx. 0.42ct Si/I-J, Side diamonds approx. 0.06ctw, Sapphires. Measurements : Ring size 6.75, top is 15mm x 11mm. MaSee Sold Price
Sold2017Art Deco Platinum Diamond Sapphire RingMETAL: Platinum. GEMSTONES: Diamonds - approx. 0.70ctw, Sapphires. MEASUREMENTS: Ring size 6.75, top measures 19.4mm x 15mm. TESTED: Platinum. WEIGHT: 4.7 grams.Gemstones have not been graded for coloSee Sold Price
Sold2020Platinum Diamond Star Sapphire Dome RingMetal Content: Platinum.Weight of Item: 18.8 grams.Size: Ring size 6 3/4, ring top - 23mm at widest poin.Gemstone: Diamonds. Star sapphire approx. 19.53ct (15.5mm x 13.5mm).Carat Weight: approx. 1.21cSee Sold Price
Sold2016A star sapphire, diamond and platinum ringPlatinum, centering a high-dome star sapphire cabochon measuring 10.3 x 9.5 mm with a two-row surround of 32 full-cut diamonds totaling approximately 2.35 cts., graded G-H color and VS clarity, size 6See Sold Price
Sold2019Platinum Diamond Purple Star Sapphire RingMetal Content: Platinum.Weight of Item: 8.4 grams.Size: Ring size 6 3/4, ring top - 16mm x 15.5mm.Gemstone: Diamonds. Purple Star Supphire 4.00ct (small imperfection on the side of the gem).Carat WeigSee Sold Price
Sold2023Certified No Heat Sapphire Diamond 18k Gold Platinum RingMETAL: 18k Gold/ Platinum. MEASUREMENTS: Ring size 6.25, top is 17mm x 15mm. GEMSTONES: Diamonds approx. 1.62ctw, AGL certified no heat Thailand sapphire - measures approx. 8.0 x 6.2 x 4.47mm. TESTED:See Sold Price
Sold2022CARTIER, PURPLE COLOR CHANGE STAR SAPPHIRE AND DIAMOND RINGCARTIER, PURPLE COLOR CHANGE STAR SAPPHIRE AND DIAMOND RING Containing one oval cabochon purple color change star sapphire measuring approximately 15.55 x 12.20 x 10.30 mm and two pear shaped diamondsSee Sold Price
Sold2022STAR SAPPHIRE AND DIAMOND RINGSTAR SAPPHIRE AND DIAMOND RING Containing one oval star sapphire cabochon measuring approximately 15.55 x 12.90 x 7.50 mm, two marquise and 36 transitional and single cut diamonds weighing approximateSee Sold Price
Sold2018A Bicolor Gold, Star Sapphire and Diamond Bombe Ring,A Bicolor Gold, Star Sapphire and Diamond Bombe Ring, containing one oval cabochon star sapphire measuring approximately 10.15 x 10.42 x 10.54 mm with 28 round single cut diamonds. 7.50 dwts.See Sold Price
Sold2023Antique Art Deco blue star sapphire cabochon ring in tested platinum with diamond accents; 15mmAntique Art Deco blue star sapphire cabochon ring in tested platinum with diamond accents; 15mm stone; size 4; 6.7 gramsSee Sold Price
Sold202118k Gold Platinum Diamond Blue Stone RingMETAL: 18k Gold/ Platinum. MEASUREMENTS: Ring size - 10, ring top - 16mm x 15mm. GEMSTONES: Center synthetic sapphire (RI 1.76-1.77) Stone is chipped/abraded. Diamonds - approx. 0.50ctw. TESTED: 18k/PSee Sold Price
Sold2022Platinum, Diamond and Blue Sapphire RingPlatinum, Diamond and Blue Sapphire Ring, center bezel set round brilliant cut diamond, wt. approx. 0.71 ct., 5.10-5.12 x 3.05 mm, K color, SI2 clarity; inner bezel with 15 tapered baguette cut sapphiSee Sold Price
Sold2022Men's Mid Century Platinum, Star Sapphire & Diamond Ringsize 13 ring; the blue-gray star sapphire measures 21 x18 x13.9 mm with an estimated weight of 58 carats; sapphire displays natural color zoning and cracks are present in the crown and pavilion side wSee Sold Price
Sold2023Art Deco Platinum Star Sapphire & Diamond RingArt Deco Platinum 10.79ct. Blue Star Sapphire & 0.86ct. Diamond Ladies Ring. Size approx. - 4 - 4 1/2. Star sapphire - 12mm x 9mm x 9.25mm, weighing approx. 10.79ct. Sapphire is of slightly violetSee Sold Price
Sold2020Unmarked Gold Star Sapphire & Diamond Ring14K unmarked Ladies ring with a star sapphire 9.85 mm x 7.8 mm with 4 small Single cut diamonds 1.75 Dwt SZ: 4.5See Sold Price
Sold2018David Webb 18k Gold Platinum Diamond RingMETAL: Platinum/18k Gold. MEASUREMENTS: Ring size - 6 1/2, ring top - 15mm x 25mm. GEMSTONES: Diamonds - approx. 2.50ctw. Comes with pouch. MARKED: Webb, 18k, plat. WEIGHT: 15.3 grams.Gemstones have nSee Sold Price
Sold2015Platinum Diamond RingRing size 4 1/2, ring top is 15mm x 16mm. Diamonds - approx. 0.84ctw. Tested plat. Weight - 5.2 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancementSee Sold Price
4 days LeftJasper52Vintage 1940's Lab-Created Star Sapphire Diamond Ring 14K White Gold, 10.15 Gram$2,000
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8 hrs LeftMiami Auctions & Appraisals LLC Bvlgari 4.59cts Emerald Diamond Platinum Estate Pinky Bulgari Cocktail Ring$56,000
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