Sold20151950s Platinum Star Sapphire Diamond Cocktail RingStar sapphire measures 12.5mm x 10.3mm. Ring size 4. Marked Plat, weighs 8.4 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated othSee Sold Price
Sold202216.46ct Star Sapphire Diamond 14k White Gold Ladies Cocktail RingThis beautiful vintage ring is crafted from 14k white gold featuring a high gallery oval shape bridge with round scallop edge and milgrain decor frame. The center has a gorgeous Star Sapphire held secSee Sold Price
Sold201822.40ctw Blue Star Sapphire,Diamond & Platinum Ring22.40ctw Blue Star Sapphire, 0.49ctw VS2-SI1/G-H Diamond & Solid Platinum Cocktail Ring (Comes W/$19,000 Appraisal) - This stunning ring was finely crafted of solid platinum, and contains a 22.40ct (aSee Sold Price
Sold2021FINE ART DECO PLATINUM/DIAMOND RING W/ APPROX. 3.8 CTFINE ART DECO PLATINUM/DIAMOND COCKTAIL RING W/ APPROX. 3.8 CT LAVENDER STAR SAPPHIRE W/ 1CT. TRILLION, BAGUETTES & D SHAPED DIAMONDS, C. 1920, WEIGHT 12 GRAMS, SIZE 6 Serial Number inside ring by theSee 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
Sold2015VINTAGE PLATINUM, STAR SAPPHIRE & DIAMOND RINGVintage ladies platinum, star sapphire and diamond estate ring; (1) natural star sapphire corundum, oval cabochon-cut, weighing approx 24.63cts, tone: medium dark, saturation: grayish, hue: blue, theSee 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
Sold2022Platinum Sapphire Diamond Cocktail RingPlatinum Weight 3.56g Sapphire Approx. 1.05ct Diamond Approx. 1.5ct Cocktail Ring Size 6 Measuremenst 0.4”x0.73”See Sold Price
Sold2018Vintage Platinum Sapphire Diamond Cocktail Ring, .77ctwItem: Ladies Fabulous 1950's Platinum, Sapphire & Diamond Cocktail Ring Brand: Unbranded Metal Purity: .900 platinum Gemstones: Diamond, Sapphire Carat Weights: .35 ct sapphire TW, .42 ct diamond TW SSee Sold Price
Sold2022TIFFANY & CO.: A PLATINUM, STAR SAPPHIRE AND DIAMOND RINGTIFFANY & CO.: A PLATINUM, STAR SAPPHIRE AND DIAMOND RING Centering an oval star sapphire cabochon weighing approximately 16.30 carats, accented by round and trapezoid-shaped diamonds weighing approxiSee 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
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
Sold2023Platinum Sapphire and Diamond Cocktail RingDESCRIPTION: A Cocktail ring comprised of a platinum foundation featuring a swirl shaped setting decorated with a series of evenly placed baguette cut Sapphires and Diamonds, and finished with a OvalSee Sold Price
Sold2021Platinum Star Sapphire Cabochon Diamond RingPlatinum ring, with center 11.3 x 9.7 x 9.5mm star sapphire cabochon, surrounded with approx. 0.12ctw in diamonds. Ring size - 5.5, ring top - 12mm wide. Weight - 7.3 grams.See Sold Price
Sold2022Platinum 5.31 CTW Star Sapphire & Diamond RingRef:2022904080 Gold Content:Platinum For people:Women Total Item Weight :6.99grams Ring Size:7.25US Main Stone:Star Sapphire Number of stones:1 Shape:Oval Carat Total Wt:4.38ct Color:Purple Cut GradeSee Sold Price
Sold2023Platinum Purple Star Sapphire & Diamond RingDESCRIPTION: Platinum (stamped PT900) setting with center purple star sapphire cabochon, approximately 4.2 carats (9.7mm x 8.6mm x 4.7mm) surrounded by ten round brilliant cut diamonds and eight channSee Sold Price
Sold2024Platinum 8.45ct Star Sapphire Cabochon Diamond RingMetal : Platinum Designer : Not Signed Gemstone : Star sapphire cabochon 8.45ct, Diamonds 0.58ctw. Measurements : Ring size 6.5, top is 11.5mm wide. Marked: : pt900, 058, 8.45.See Sold Price
Sold2017Deco Platinum, Star Sapphire & .6 CTW Diamond RingDESCRIPTION: Tested platinum deco setting with center white natural star sapphire, approx. 9mm x 8mm. Surrounded by thirty-four round diamonds and six baguette diamonds, approx. .62 CTW (clarity SI toSee 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
Sold2017A PLATINUM AND STAR SAPPHIRE AND DIAMOND LADY'S RING,A PLATINUM AND STAR SAPPHIRE AND DIAMOND LADY'S RING, the mounting centering one cabochon cut gray/blue star sapphire measuring approximately 17.50 x 13.50 x 8.40 millimeters with an approximate weighSee Sold Price
Sold2023Vintage Retro Star Sapphire Platinum Diamond Ring Size 6This is a vintage retro platinum ring featuring a large star sapphire accented by round brilliant and baguette cut diamonds. The diamonds are VS clarity and GH color. The ring is a size 6 US and it weSee Sold Price
Sold2023Aquamarine, Sapphires & Diamonds Platinum Cocktail RingPlatinum Cocktail Ring set with a center Aquamarine weighing 5.45 carats. Surrounded by natural French cut Blue Sapphires weighing Approx. 1.10 carats. Accented with Diamonds on the sides. Ring size:See Sold Price
Sold2023Vintage GIA NO HEAT Yellow Sapphire Diamond Platinum Halo Cocktail RingPresenting an exquisite All Natural Yellow Sapphire enhanced by a halo of old cut diamonds. The shank is crafted in solid Platinum, with an antique sterling silver top. Featuring in the center an exceSee Sold Price
Sold2023GIA 5.87cts No Heat Ceylon Cornflower Sapphire Diamond Platinum Ballerina Cocktail RingCrafted in luxurious platinum, centered by a GIA-certified Blue Sapphire, cushion cut, weighing approximately 5.87 carats, No heat all natural without any treatments. sided by Round & baguettes cut DiSee Sold Price
May 31Miami Auctions & Appraisals LLC Ceylon No Heat 16.17 carats Blue Sapphire Diamond Platinum Cocktail RingUS$61,000
May 31Miami Auctions & Appraisals LLC AGL Ceylon Sapphire 13.90cts Diamond Platinum Cocktail RingUS$8,800
May 31Miami Auctions & Appraisals LLC Vintage Burma No Heat Sapphire Diamond Platinum Large Cluster Cocktail RingUS$147,000
6 days LeftRiverside GalleriesPlatinum Setting with 14.39ct Star Sapphire and 0.37ct Diamond Ladies RingUS$50
15 hrs LeftSeized Assets AuctioneersVintage Platinum 2.69 ctw GIA NO HEAT Sapphire & Diamond Ballerina Cocktail RingUS$1
6 days LeftBidhausDavid Webb Platinum & 18K Yellow Gold Multigem Sapphire Ruby Emerald And Diamond Cocktail RingUS$10
May 31Miami Auctions & Appraisals LLC Vintage Diamond Sapphire Square Pinwheel Platinum Cocktail RingUS$5,100