Sold2022Art Deco Platinum Diamond Eternity RingArt deco handcrafted mixed-cut platinum diamond filigree eternity ring, set with 18 graduating cushion and baguette-cut diamonds; approx: 2.60 carats total weight; color: H-J, clarity: SI1. Engraved:See Sold Price
Sold2021YELLOW GOLD, PLATINUM AND DIAMOND RINGYELLOW GOLD, PLATINUM AND DIAMOND RING Containing one old European cut diamond weighing approximately 0.15 carat and numerous single and mixed cut diamonds. Ring size 7 1/2. 7.60 dwt.See Sold Price
Sold2019Emerald, Ruby and Diamond RingEmerald, Ruby and Diamond Ring platinum, the ring mounted with an emerald-cut treated emerald weighing approximately 1.39 carats, accented by channel-set mixed-cut treated rubies weighing approximatelSee Sold Price
Sold2021SYNTHETIC SAPPHIRE AND DIAMOND RINGSYNTHETIC SAPPHIRE AND DIAMOND RING Containing one octagonal mixed cut synthetic sapphire measuring approximately 14.85 x 11.75 x 6.30 mm and 24 single cut diamonds. Mounted in platinum. Ring size 8.See Sold Price
Sold2022DIAMOND & GEMSTONE PLATINUM RINGWith antique cut diamonds and mixed cut emeralds set in a scrollwork gallery on a platinum band; size 3-1/2, 4.5g Provenance: Private collection, Greenwich, CTSee Sold Price
Sold2015Harry Winston 18k Platinum Sapphire & Diamond RingThe ring features, oval cushion mixed cut natural sapphire weighing approximately 3.88ct. with 320 round brilliant cut natural diamonds weighing approximately 5.75ct mounted in a platinum and 18k settSee Sold Price
Sold2022LADY'S PLATINUM SAPPHIRE AND DIAMOND RING W/AJI CERTIFICATION.Lady's platinum and diamond ring consisting of 1 oval mixed cut blue sapphire measuring 12.2x9.5x4.9mm weighing 4.95cts (stamped) and 2 straight baguette cut diamonds with a total weight of 0.48cts (sSee Sold Price
Sold2022Platinum and Diamond RingPlatinum and Diamond Ring, central prong set round brilliant cut diamond, wt. approx. 1.19 cts., approx. 6.70-6.58 x 4.20 mm, K color, I-1 clarity; stylized asymmetric bezel with 42 mixed cut diamondsSee Sold Price
Sold2019A Platinum, Diamond and Emerald Ring, Tiffany & Co.,A Platinum, Diamond and Emerald Ring, Tiffany & Co., containing 16 round brilliant cut diamonds weighing approximately 1.45 carats total and nine round mixed cut emeralds measuring approximately 2.84-See Sold Price
Sold2022A YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal mixed cut of approximatelyA YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal mixed cut of approximately 4.00 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size O / 7, 4.4See Sold Price
Sold2021PLATINUM, SAPPHIRE, & DIAMOND RINGcentering one round mixed cut dark sapphire weighing approximately 1.70 carats; and 12 full cut diamonds [I-J/VS] weighing approximately 0.12 carats total; 8.0 grams; size: 8See Sold Price
Sold2021PLATINUM, DIAMOND, & EMERALD CLUSTER RINGcentering one full cut diamond [I-J/VS] weighing approximately 0.12 carats; 12 baguette cut diamonds [H-I/VVS] weighing approximately 1.20 carats total; and 18 round mixed cut emeralds weighing approxSee Sold Price
Sold2023Platinum 2.03ctw Diamond RingMETAL: Platinum. GEMSTONES: Mixed cut diamonds approx. 2.03ctw. MEASUREMENTS: Ring size 6 1/4, top is 17mm wide. MARKED: Pt900, 1.51, 0.52. WEIGHT: 10.4 grams. Gemstones have not been graded for colorSee Sold Price
Sold2018Platinum Diamond Wave RingMETAL: platinum. GEMSTONES: mixed cut diamonds - approx. 1.00ctw. MEASUREMENTS: ring size 6. ring top is 7mm at widest point. TESTED: platinum. WEIGHT: 4.4 grams.Gemstones have not been graded for colSee Sold Price
Sold2018Art Deco 18K Gold Platinum Diamond RingMETAL: 18k gold, platinum. GEMSTONES: mixed cut diamonds (one stone missing). MEASUREMENTS: ring size 7.75. Ring top is 15.5mm at widest point. TESTED: 18K, platinum. WEIGHT: 4.6 grams.Gemstones haveSee Sold Price
Sold2020A platinum, diamond, and emerald ring, set with a mixedA platinum, diamond, and emerald ring, set with a mixed oval-cut emerald of approximately 1.25 carats, within a millegrain border of round brilliant-cut diamonds and two baguette-cut diamonds, total dSee Sold Price
Sold2016Tiffany & Co. Lucida Platinum 1.88ct VVS2 I DiamondTiffany & Co. Platinum solitaire engagement ring from the Lucida collection features a 1.88ct (VVS2, I) mixed cut, cut-cornered square diamond. Diamond measures 7.02mm x 7.02mm x 4.88mm. Ring sizeSee Sold Price
Sold2019A Platinum, Sapphire and Diamond Ring,A Platinum, Sapphire and Diamond Ring, containing one octagonal mixed cut sapphire measuring approximately 9.92 x 9.67 x 3.70 mm and 16 round brilliant cut diamonds weighing approximately 0.40 carat tSee Sold Price
Sold2017Platinum alexandrite and diamond ringLadies platinum alexandrite and diamond ring featuring a oval mixed cut alexandrite weighing approx. 0.92ct. , changing from a from a yellowish green to a pinkish brown color (GIA Grading Report). SurSee Sold Price
Sold2019A Platinum, Aquamarine and Diamond Ring,A Platinum, Aquamarine and Diamond Ring, containing one oval mixed cut aquamarine measuring approximately 12.18 x 9.53 x 5.78 mm and two octagonal step cut diamonds weighing approximately 0.90 carat tSee Sold Price
Sold2018A Platinum, Sapphire and Diamond Ring, 4.50 dwts.A Platinum, Sapphire and Diamond Ring, containing four oval mixed cut sapphires weighing approximately 1.68 carats total and 16 round brilliant cut diamonds weighing approximately 0.80 carat total. 4.See Sold Price
Sold2019* A Platinum, Ruby and Diamond Ring, 9.85 dwts.* A Platinum, Ruby and Diamond Ring, containing one elongated cushion shape mixed cut ruby weighing approximately 1.55 carats and 32 round brilliant cut diamonds weighing approximately 4.20 carats totSee Sold Price
Sold2018Orianne Platinum Ruby and Diamond Ring with GIAContaining one pear mixed cut ruby measuring 7.46mm x 5.63mm x 2.99mm weighing 1.06 carats, no indications of heating, GIA report number 2185384114, with fifty-seven round brilliant cut diamonds weighSee Sold Price
Sold2020RUBY AND DIAMOND RINGRUBY AND DIAMOND RING Containing one oval mixed cut ruby measuring 9.72 x 7.36 x 4.53 mm and 14 baguette cut diamonds weighing approximately 0.50 carat total. Mounted in platinum. Ring size 4 1/4. StaSee Sold Price
Jun 12Quittenbaum Kunstauktionen GmbH, Historic ring with Old European and single cut diamonds as well as cultured pearls€1,200
2 days LeftJasper52Cushion Cut Diamond Platinum Ring Art Deco circa 1920s 3.02-carat GIA G SI1$46,000
Jun 23Modern Jewelry1.59 Carat Circular Brilliant Cut & Old European Cut Diamond Platinum Ring$10,250
5 days LeftMiami Auctions & Appraisals LLC Vintage Art Deco 6.05ct Old European Cut Diamond Ruby Platinum Ring$75,000