Sold2023Antique Diamond Platinum Ring .50 ct10% iridium/platinum ring, near colorless, SI-I clarity, approx. .50 ct with small round accent diamonds, filigree and engraved mounting, size 6.75, 2.1 DWTSee Sold Price
Sold2024Antique Platinum Diamond RingAntique platinum diamond ring, round brilliant central diamond (.50 ct), diamond bezel, filigree basket, six shoulder set round brilliant stones, marked size: 6.25 total weight: 3.1 grams ProvenanceSee Sold Price
Sold2016ANTIQUE DIAMOND & PLATINUM ENGAGEMENT RINGS & BANDSComprising an engagement ring set with an OEC diamond, weighing approx. .50 ct., set to single-cut diamond shoulders, and engraved platinum hoop, melee approx. .09 ct. TW; Three single-cut or RBC diamSee Sold Price
Sold2022Antique Platinum & Diamond Dome RingFiligree design, with 3 mine cut diamonds 0.50ct and two are approx . 0.20.ct , with 4 apprx 0.03 ct rose cut diamonds in filigree design. Diamonds are SI-I1, F-I Color. Total weight is approx 2.61 dwSee Sold Price
Sold2022LADIES ANTIQUE PLATINUM AND DIAMOND RINGCluster setting with (3) central diamonds, approx. .50ct each set east to west, and (16) surrounding diamonds, approx. .08-.10ct each. Approx. diamond weight it 3.0ct. Clarity CS2-SI1, Color F-G. 3.3dSee Sold Price
Sold2015ANTIQUE PLATINUM FILIGREE DIAMOND RING - OLD MINE CUTDIAMOND HAS CHIP ON GIRDLE, OTHERWISE VERY ATTRACTIVE, I-1 CLARITY, 5mm IN DIAMETER FOR AN ESTIMATE WEIGHT OF .50ct. FABULOUS FILIGREE IN GREAT CONDITION. ESTIMATE $1200-$1500See Sold Price
Sold2022GIA 7.94ct Diamond and Platinum Engagement RingDESCRIPTION: GIA certified 7.94ct Emerald Cut Diamond featuring J color and SI1 Clarity (Per GIA report), mounted atop a Platinum ring, flanked on either side by .50 ct Pear cut VS2 Diamonds. StampedSee Sold Price
Sold2020Ladies Platinum Diamond Ring Laura RamseyLadies Platinum diamond ring with Rubellite Tourmaline. Laura Ramsey. Stamped Platinum, 0.50 ct total weight of diamonds. Round and baguette stones.See Sold Price
Sold2022ANTIQUE PLATINUM-ON-YELLOW GOLD, DIAMOND AND SYNTHETIC SAPPHIRE RING. - Ring size: 2 3/4.ANTIQUE PLATINUM-ON-YELLOW GOLD, DIAMOND AND SYNTHETIC SAPPHIRE RING. Cushion shape rectangular synthetic sapphire weighing 3.50-4.00 ct. surrounded by 14 old mine cut diamonds together weighing apprSee Sold Price
Sold2017Victorian 2.5 CT Miner Diamond Moon Shape Sapphire RingAntique Victorian Platinum & approx 2.50 Carats TCW Old Miner Diamond & Moon Shaped Sapphire Ring. Precious Metal Type: PlatinumMain Stone: Old Miner Diamond, approx. 1.20 CT, SI1 Clarity, I-J Color RSee Sold Price
Sold2019Vintage 0.65ctw SI1-SI2/G-H Diamond Platinum RingVintage 0.65ctw SI1-SI2/G-H Diamond & Solid Platinum Ring W/0.50ct Center Diamond - This lovely vintage ring was finely crafted of solid platinum and is embellished with approximately 0.65ctw genuineSee Sold Price
Sold201615CT SAPPHIRE .50CT DIAMOND AND PLATINUM RING15.00CT SAPPHIRE, .50CT DIAMOND, AND PLATINUM RING, SIZE 6:Having a 15.00ct composite sapphire set in a foliate style platinum setting enhanced by .50ct diamonds. The diamonds have a G-color and VS-2See Sold Price
Sold2021platinum diamond eternity ringA fine platinum diamond eternity ring, tdw approx. 0.50ct, size 5.5See Sold Price
Sold202310K Ladies Diamond Ring .50 Ct, Pierced Diamond Design10K Yellow Gold, Stamped. .50 Carat Diamonds in a pierced diamond design. Size 10. 4.9 grams. 7/16" wide, 11mm.See Sold Price
20213.30 CT. OLD EUROPEAN CUT DIAMOND PLATINUM RING.An approx. 3.3 ct. Old European cut diamond, K-VS (small chips on girdle) is set between six, marquise cut diamonds, approx. .50 ct. tw., G-H-VS-SI, sz. 6 1/2, 3/9r g.See Sold Price
Sold2016Edwardian Diamond, Platinum Ring.Edwardian Diamond, Platinum Ring. Centering one old European-cut diamond weighing approximately 1.50 ct., flanked by two old European-cut diamonds weighing a total of approximately 0.75 cttw., accenteSee Sold Price
2015Art Deco Ruby Diamond Platinum RingArt Deco Ruby Diamond Platinum Ring Diamond total weight approx. 1.50 ct Rubies total weight approx.0.50 ct Ring Size: 7.75 Total Weight: 5.6 gSee Sold Price
Sold2016EDWARDIAN DIAMOND & PLATINUM RINGA pierced "cigar band" set with central OMC diamond, approx. .50 ct., diamond accents, approx. .65 ct. TW, ca. 1910. Size 6. 2.4 dwt.See Sold Price
Sold2016EMERALD, DIAMOND & PLATINUM RINGSet with a cushion-cut emerald, weighing approx. 3.04 cts. by formula, and channels of straight baguette-cut diamonds, approx. .50 ct. TW, in platinum. Size 6 1/2. 3.5 dwt.See Sold Price
Sold20161.10 ctw.. Antique Diamond Ring, Circa 1920(1) 18K white gold. Set with (6) mine cut diamonds (.10 ct. each) and (1) centered mind cut diamond (.50 ct., SI1 clarity, H color). Total weight in diamonds 1.1 ctw. Total weight 3.3 grams troySee Sold Price
Sold2020Sapphire, Diamond, Platinum Ring.Sapphire, Diamond, Platinum Ring. Centering one round-cut sapphire weighing approximately 0.50 ct., surrounded by sixteen single-cut diamonds weighing a total of approximately 0.25 cttw., set in a plaSee Sold Price
Sold20197.5ct Colombian Emerald, 2.5ctw Diamond Platinum Ring7.50ct Colombian Emerald in 2.50ctw VS1-VS2/G-H Diamond & Solid Platinum Ballerina Style Setting (Comes W/$97,000 Appraisal) - This magnificent piece was finely crafted of solid platinum and boasts aSee Sold Price
Sold20179.50ct Emerald, 1.00ctw Diamond & Platinum Ring9.50ct Sugarloaf Cabochon Emerald, 1.00ctw VS1-VS2/G-H Diamond & Platinum Deco Style Cocktail Ring (W/$32,000 Appraisal) - This magnificent cocktail ring was finely crafted of solid platinum, and boasSee Sold Price
Sold20213.50ct Black Opal, 2.00ctw Diamond & Platinum Ring3.50ct Black Opal, 2.00ctw SI1-SI2/G-H Diamond and Solid Platinum Ring - This ring is crafted of solid platinum and boasts an approximately 3.50ct black opal which displays beautiful flashes of greenSee Sold Price
Jun 23Modern JewelryTiffany & Co. 0.30 Carat Tapered Baguette Shape Diamond Platinum Semi Mount Ring$1,725
Featured3 days LeftMost Elite Collections LLCPear Shape 5.02 ct Center VS2 Clarity, Fancy Yellow Diamond Platinum Halo Ring$800(4 bids)
Jun 25Miami Auction GalleryVintage GIA 4.06 ct Burma Ruby Diamond Platinum Antique Cocktail Ring$24,000