Sold2023Platinum Blue Spinel Cabochon and Diamond RingLarge center prong set blue spinel, approx. 13mm h. x 12mm base, collar with 18 accent diamonds, linked platinum band. Size 4. Approx. 8 grams inclusive. Condition: Note several minor chips to spinel.See Sold Price
Sold202314k Gold Platinum Diamond Blue Spinel RingMETAL: 14k Gold/Platinum. GEMSTONES: Blue spinel - 12mm x 9.2mm. One prong is missing. Diamonds. MEASUREMENTS: Ring size 9 1/4. TESTED: 14k, Plat. WEIGHT: 5.4 grams.Gemstones have not been graded forSee Sold Price
Sold2016Cabochon Red Spinel Diamond Platinum RingCabochon Red Spinel Diamond Platinum Ring. Red spinel: 12.46 mm. 110+ Diamonds total weight approx. 1.20 ct. Ring size: 4.5 Total weight: 10.6 gSee Sold Price
Sold2021Cabochon Blue Spinel 18k Gold RingModernist 14k yellow with white gold ring having domed cabochon blue spinel type and synthetic pave set diamonds Ring Size 8.5 total weight 11.3 grams Provenance: The Estate of Barbara "Babs" Baugh,See Sold Price
Sold20217PC Lady's Estate 10K Gold Ring GroupUnited States,20th Century Includes a size 6 1/2 class ring set with a ruby, a size 3 1/2 class ruby cabochon ring, a size 4 1/2 ruby ring, a size 3 1/2 diamond ring surrounded by deep blue spinel, aSee Sold Price
Sold2022Platinum, Turquoise & Diamond Ring,a fine Persian blue oval cabochon measuring 22 X 15.5 mm with 8 round diamonds totaling 1 carat, with appraisal of $4,550.00, currently size 6 1/2.See Sold Price
Sold20204.00ct Blue Sapphire, 0.60ctw Diamond Platinum Ring4.00ct Blue Sapphire Cabochon, 0.60ctw VS1-VS2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts a 4.00ct (approximate) blue sapphire cabochon. The cabSee Sold Price
Sold2022A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a roundA SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6See Sold Price
Sold202049.65ct Blue Sapphire, 0.70ctw Diamond Platinum Ring49.65ct Blue Sapphire Cabochon, 0.70ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts a massive 49.65ct (approximate) genuine blue sapphireSee Sold Price
Sold2021Platinum 950 - 2.64tcw - Red Spinel & Diamond RingNo Reserve Price! Grading Results:___________Stone Type: Natural Red SpinelShape: Oval CabochonCarat: 62.40 ctColor: RedClarity: Included 2 Grading Results:___________See Sold Price
Sold202118K Gold Platinum Diamond Spinel RingMETAL: 18k Gold/Platinum. GEMSTONES: Rose cut diamonds approx. 12 stones. Blue spinel tested RI=1.72. MEASUREMENTS: Ring size 7 3/4, ring top is 22mm wide. TESTED: 18k/Plat. WEIGHT: 7.3 grams.GemstoneSee Sold Price
Sold20206.35ct Blue Sapphire, 1.00ctw Diamond Platinum Ring6.35ct Blue Sapphire Cabochon, 1.00ctw VS2-SI1/G-H Diamond Solid Platinum Ring - GUARANTEED FREE SHIPPING WILL ARRIVE BEFORE CHRISTMAS IF PAYMENT RECEIVED WITHIN 72 HOURS. This lovely ring was finelySee Sold Price
Sold2023Art Deco Platinum Diamond Blue Sapphire RingArt Deco period platinum ring, brightly polished and engraved, featuring centered bezel set blue sapphire high dome oval cabochon, weighing approx. 3.30 carats, further adorned with 22 old European anSee Sold Price
Sold2022Very Art Deco 12ct Natural Blue Star Sapphire 2ctw Ultra Clean White E-F Diamond Platinum RingTitle: Very Art Deco 12ct Natural Blue Star Sapphire 2ctw Ultra Clean White E-F Color Diamond Platinum Ring 1930s Description: An approx. 12ct cabochon of natural blue star sapphire, framed in 2ctwSee 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
Sold2015RETRO STAR SAPPHIRE AND DIAMOND 18K GOLD RINGRound blue star sapphire cabochon, approx. 12.75 cts., in octagonal yellow gold seting paired with diamond platinum corners, diamonds approx. .12 ct. TW. Size 6. 8.2 dwt.See Sold Price
Sold2018Blue Star Sapphire Diamond Gemstone, Platinum RingLadies vintage diamond and star sapphire ring. Features an oval blue star sapphire cabochon with three round cut and prong set diamonds set around the 9mm x 7.5mm x 7.25mm cabochon. Size 6. Weighs 4.7See 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
Sold2018Lady's Platinum 14k Moonstone, Diamond & Sapphire ArtLady's Platinum 14k Moonstone, Diamond & Sapphire Art Deco Ring Size 4.5. Includes one translucent medium light slightly grayish blue violet moonstone cabochon measuring 5.9mm. It is set with (12) traSee Sold Price
Sold2023SAPPHIRE AND DIAMOND CLUSTER RINGSAPPHIRE AND DIAMOND CLUSTER RING, in 18 ct. gold and platinum. Set with a central cabochon cut blue sapphire, surrounded with diamonds. Size J 1/2. 2 grams.See Sold Price
Sold2021Platinum 900 - 4.39tcw - Sapphire & Diamond RingNo Reserve Price! Grading Results:___________Stone Type: Natural SapphireShape: Oval CabochonCarat: 3.84 ctColor: Blue Grading Results:____________Stone Type: Natural DSee Sold Price
Sold2021Platinum 900 - 0.18tcw - Turquoise & Diamond RingNo Reserve Price! Grading Results:___________Stone Type: Natural TurquoiseShape: Oval CabochonCarat: 0.10 ctColor: BlueClarity: Opaque Grading Results:____________See 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
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Jun 25Miami Auction GalleryCeylon No Heat 16.17 carats Blue Sapphire Diamond Platinum Cocktail Ring$70,000
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