Sold2023ESTATE PLATINUM & GIA 4.87CT ROUND DIAMOND RINGEstate platinum and diamond engagement ring, featuring: (1) Round Brilliant diamond, per December 03, 2022 GIA report: #6223177897, 4.87cts, measurements: 10.56-10.76 x 6.81 mm, color: N, clarity: VS1See Sold Price
Sold2022Estate Platinum Emerald Cut Diamond engagement 3-stone ring;Title: Estate Platinum Emerald Cut Diamond engagement 3-stone ring; Description: Estate Platinum Emerald Cut Diamond engagement 3-stone ring; Set with 1.36 ct diamond with H color grade, VS2 clarity gSee Sold Price
Sold2023Estate Platinum .9 ctw Natural Diamond Engagement RingA Very well made and heavy platinum diamond engagement ring. It features a princess cut diamond center stone and channel set princess cut diamond accents. Item Type: Engagement ring Material: PlatSee Sold Price
Sold2016Estate Antique Platinum & Diamond Solitaire RingEstate Antique Platinum & Diamond Solitaire Ring. Engagement ring. Having a chased work shank. Apparently unmarked. Round cut white diamond. Ring size 5.25, can be resized. Weighs approximately 2.3 grSee Sold Price
Sold2021Estate Platinum Ring w 1.67 Carat DiamondEstate Platinum Ring w 1.67 Carat Diamond. Engagement ring with a four prong setting holding an approximately 1.67 carat diamond. Additionally the ring has accent diamonds on the shoulders and under tSee Sold Price
Sold2016Antique Art Deco Platinum Diamond Engagement RingMETAL: platinum. MEASUREMENTS: ring size - 7 1/2, ring top is 13mm wide. GEMSTONES: center old mine cut diamond - approx. 1.35ct by formula, side diamonds - approx. - 0.35ctw. MARKED: 10% irid plat, eSee Sold Price
Sold2019Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 8.3mm x 7.5mm and 8.3mm x 7.5mm (depth unable to measure due to the way the stones are set). Center of the ring will keep approx. 13mm x 11mm stone. MEASURSee Sold Price
Sold2017Tiffany & Co. Platinum Diamond Engagement RingMETAL: platinum. GEMSTONES: diamond-0.62ct, measurements 5.46 x 5.47 x3.34mm, VS2, F. Original Tiffany & Co. Diamond certificate #31305578/O03010707. MEASUREMENTS: Ring size 6. MARKED: Tiffany &amSee Sold Price
Sold2016Art Deco Platinum Diamond Engagement RingRing size - 6 1/2, ring top is 11.6mm wide. center old european cut diamond - approx. 0.90ct SI1/I. Side diamonds - approx. 0.40ctw. Tested plat. Shank was replaced. Weight - 7.7 grams.Gemstones haveSee Sold Price
Sold2016Platinum Diamond Engagement Ring SettingMETAL: platinum. MEASUREMENTS: ring size - 9 1/4, center will fit approx - 7.8mm in diameter stone. GEMSTONES: side old European diamonds - each approx. 0.55-0.58ct. TESTED: plat. WEIGHT: 8.1 grams.GeSee Sold Price
Sold2017Platinum Diamond Engagement RingMETAL: platinum. GEMSTONES: center diamond-approx. 0.52ct, 16 side diamonds approx. 0.20ctw. MEASUREMENTS: ring size 4.75. Ring top is 6mm at widest point. MARKED: 900 Plat 100 Irid. WEIGHT: 3.0 gramsSee Sold Price
Sold2022Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.25, center will fit approx. 6.2 x 6.2mm stone. GEMSTONES: Diamonds approx. 1.60ctw. TESTED: Plat. WEIGHT: 8.4 grams. Gemstones have not been graded for colorSee Sold Price
Sold2021Art Deco Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 6.5, ring top is 13mm wide. Center will fit approx. 9.8mm stone. GEMSTONES: Diamonds approx. 0.90ctw (one is missing). TESTED: Plat. WEIGHT: 4.9 grams.GemstoSee Sold Price
Sold2023Tacori Platinum Diamond Engagement Ring SettingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.84ctw, Center stone is CZ, not a diamond - 7.5mm stone. MEASUREMENTS: Ring sizes 5 1/4, each band is 3.2mm wide. MARKED: Tacori Platinum, Engraving on thSee Sold Price
Sold2019Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 6.5, center will fit approx. 14.5mm x 9mm pear shaped stone. GEMSTONES: Diamonds approx. 1.70ctw. MARKED: JBS. WEIGHT: 15.8 grams.Gemstones have not been graSee Sold Price
Sold2019Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx 0.60-0.70ctw. Center of the ring will keep approx. - 6.2mm x 5mm stone. MEASUREMENTS: Ring size 5 3/4, ring top is 8mm at widest point. MARKED: Plat. WEIGHTSee Sold Price
Sold2021Platinum Diamond Engagement RingMETAL: Platinum. GEMSTONES: Center diamond approx. 0.65ct, strong blue fluorescence VS/H , Side diamonds approx. 0.28ctw. MEASUREMENTS: Ring size 8 1/4, ring top is 8.2mm wide. MARKED: PT, Maker'sSee Sold Price
Sold2016Art Deco Platinum Diamond Engagement RingRing size - 7 1/4, ring top is 8.6mm wide. Center old european cut diamond - approx. 0.45ct. Marked: plat. Weight - 2.5 grams.Gemstones have not been graded for color and clarity ,and tested for clariSee Sold Price
Sold2022Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 7.5, center will fit approx. 11mm x 9mm stone. GEMSTONES: Diamonds approx. 0.90ctw. MARKED: Platinum. WEIGHT: 7.8 grams.Gemstones have not been graded for coloSee Sold Price
Sold2022Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 4.5, center will fit approx. 9.5 x 6.5mm oval stone. GEMSTONES: Diamonds approx. 1.90ctw. MARKED: Forever. WEIGHT: 5.3 grams.Gemstones have not been graded forSee Sold Price
Sold2016Art Deco 18k Gold Platinum Diamond Engagement RingMETAL: 18k gold/ platinum. MEASUREMENTS: ring size - 5 1/2, ring top - 5.6mm x 5.6mm. GEMSTONES: Old European cut center diamond - approx. 0.60-0.62ct. Side diamonds approx. 0.09ctw. TESTED: 18k/ platSee Sold Price
Sold2023Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.00ctw. Center of the ring will keep approx. 9.5mm x 8mm stone. MEASUREMENTS: Ring size 6 1/2, ring top is 12.5mm wide (ring shank is split). MARKED: PlatSee Sold Price
Sold2017Art Deco Platinum Diamond Engagement Ring MountingMETAL: platinum. MEASUREMENTS: ring size - 5 1/2, ring top is 12.7mm wide at widest point. Center will fit approx. 8.6mm stone. GEMSTONES: side diamonds. TESTED: plat. WEIGHT:4.5 grams.Gemstones haveSee Sold Price
Sold2016Platinum Diamond Engagement RingRing size 9 1/2, ring top is 9mm x 15mm. Center diamond - approx. 0.60ct, side diamonds approx. 0.16ctw. Tested plat. Weight - 2.7 grams.Gemstones have not been graded for color and clarity ,and testeSee Sold Price
May 31Miami Auctions & Appraisals LLC Art Deco Style Diamond Emerald Flower Floral Engagement RingUS$8,200
6 days LeftKotler Galleries & AuctioneersART DECO 1.70CT DIAMOND PLATINUM ENGAGEMENT RING c 1925 A finely crafted C1925 Art Deco PlatinumUS$8,000
6 days LeftKotler Galleries & AuctioneersTIFFANY & CO. PLATINUM SOLITAIRE ROUND DIAMOND ENGAGEMENT RING 1.25 CT H VS1 w/Orig 21K RetailUS$10,000
Jun 23Modern JewelryCARTIER 0.23 Carat Round Brilliant Shape E-IF Diamond Platinum Engagement RingUS$1,275
Jun 23Modern JewelryCARTIER 0.35 Carat Round Brilliant F VS1 Diamond Platinum Engagement RingUS$2,000
Jun 23Modern JewelryTiffany & Co. 0.21 Carat Round Brilliant E VVS1 Diamond Platinum Engagement RingUS$2,050
Jun 23Modern JewelryTiffany & Co. 0.18 Carat Round Brilliant G VVS1 Diamond Platinum Engagement RingUS$2,100
Jun 23Modern JewelryTiffany & Co. 0.39 Carat Princess Cut D VVS1 Diamond Platinum Engagement RingUS$2,100
Jun 23Modern JewelryCARTIER 0.28 Carat Baguette Shape H VS2 Diamond Platinum Semi Mounting RingUS$2,750
Jun 23Modern JewelryTiffany & Co. 0.52 Carat Round Brilliant Pear Shape Diamond Platinum RingUS$3,350
Jun 23Modern JewelryTiffany & Co.. 0.64 Carat Princess Cut F-VVS1 Diamond Platinum Engagement RingUS$3,800
Jun 23Modern JewelryTiffany & Co.. 0.64 Carat Princess Cut F-VVS1 Diamond Platinum Engagement RingUS$3,800