Sold2022Diamond Estate Vintage Ring14K platinum-mounted round brilliant colorless diamond solitaire ring flanked by two tapered side baguettes approx .40 ctw. Very good color, clarity, scintilation and cut. Marked 14K and 548801 cert.See Sold Price
Sold20204.06ct Round Brilliant Diamond RIng in PlatinumBeautiful platinum ring featuring a 4.06ct round brilliant cut diamond with K color and I1 clarity along with approx 1ctw of diamond pave with G-H color and VS clarity. It is 11mm wide, a size 2.25, aSee Sold Price
Sold20232.18ct Platinum Diamond RingPlatinum 2.18ct round brilliant and baguette cut diamond ring, size 6.75. A round brilliant cut diamond is mounted in the center of the ring. color E, clarity I1. Round brilliant and baguette cut diamSee Sold Price
Sold2022GIA Certified 10 Carat Round Brilliant Cut Diamond Platinum RingGIA Certified 10 Carat Round Brilliant Cut Diamond Platinum RingThis diamond ring is offered by Antinori di Sanpietro ROMA This 10 carat GIA Certified G Color S12 Clarity round cut diamond measuring 1See Sold Price
Sold2021Three diamond eternity band ringsThree diamond eternity band rings Two signed Renaissance Square, baguette, and round brilliant-cut diamonds Platinum Ring sizes 6 ½, 6 ¾, 6 ½; Gross weight 9.2 dwtsSee Sold Price
Sold2019Sapphire, Diamond and Platinum RingApprox. 2.57 Carat Blue Sapphire, Round Brilliant Diamond and Platinum Ring. Stamped Pt900. Ring size 6-1/4. Approx. weight 5.2 grams. Property of a former jewelry manufacturer. Condition: Very good cSee Sold Price
SoldTIFFANY & CO., ELSA PERETTI, PLATINUM 'DIAMONDS BY THE YARD' RINGTIFFANY & CO., ELSA PERETTI, PLATINUM 'DIAMONDS BY THE YARD' RING Round brilliant cut diamonds. Platinum. Ring size 4 1/4. Stamp: PERETTI PT950 T&CO. Gross weight: 2.35 dwt. This lSee Sold Price
Sold2021Platinum & Diamond Ring, 1.11 round brilliantdiamond in antique platinum setting, with appraisal of $4,750.00, currently size 5 1/4.See Sold Price
Sold2015Tiffany & Co. Platinum Diamond RingTiffany & Co. Platinum Round Brilliant Diamond Ring Diamond approx. 0.17 ct. Size: 5.25 Total Weight: 1.90 gSee 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
Sold2018TIFFANY SCHLUMBERGER 16 STONE DIAMOND 18K PLATINUM RINGTiffany & Co. Schlumberger's 16 Stone Diamond 18Kt Gold Platinum 'X' Ring, 18k gold and platinum with round brilliant diamonds, with original Tiffany presentation boxes, would make an amazing gift orSee Sold Price
Sold2021Estate Platinum Amethyst & Diamond Ring, Size 6Estate Platinum ring having a 8.8 x 11.6mm faceted amethyst with approximately 0.16ctw round brilliant cut diamonds. Ring size 6. Ring is stamped Pt. 900 D 0.16. Approx. weight 6.0 grams.See Sold Price
Sold2022Tiffany & Co Platinum 0.21ct VVS1 F Diamond RingTiffany & Co Platinum ring band with a 0.21ct VVS1 F round brilliant cut diamond. Ring size 5. Hallmarked Tiffany & CO. PT950 T94250 .21 CT. Approx. weight 6 grams. Accompanied by Tiffany & CO. DiamonSee Sold Price
Sold2022Platinum Rose Quartz & Diamond Ring Size 6 1/2Platinum ring band set with a faceted rose quartz, the shoulders set with round brilliant cut diamonds. Ring size 6 1/2. Hallmarked PT. Approx. overall weight 5 grams.See Sold Price
Sold2018A Diamond and Platinum RingA Diamond and Platinum Ring. Containing one round brilliant diamond which is L color, VS1 clarity, and approximately 3.05 carats. Flanking the central diamond are five vertical straight baguette diamoSee Sold Price
Sold20221.74 ctw Platinum Diamond RingLadies platinum ring featuring a round brilliant diamond approximately 1.54 carats, Clarity-VS1, Color-I, accented by 20 single cut diamonds approximately 0.20 carats total, Clarity-VS2, Color-H. TheSee Sold Price
Sold2020Paraiba Tourmaline and Diamond RingApprox. 8.54 Carat Oval Cut Paraiba Tourmaline, 2.06 Carat TW Sixteen Round Brilliant Cut Diamond and Platinum Ring. Paraiba with vivid greenish blue color. Diamonds E-F color, VS clarity. Stamped PlaSee Sold Price
Sold2018A Lady's Platinum Diamond Cocktail RingPlatinum ring featuring round brilliant cut diamond weighing approx. 1.85 ct set in the center of the ring with 16 additional diamond weighing approx. 2.20 ctw set in prongs in an oval flared frame roSee Sold Price
Sold2019Christian Dior Amethyst and Platinum RingVintage Christian Dior Large Cabochon Amethyst, .21 Carat Round Brilliant Cut Diamond and Platinum Ring. Amethyst measures 21mm x 17.5mm. Signed, stamped Pt900. Ring size 4-3/4. Approx. weight: 19.2 gSee Sold Price
Sold2022Opal, Diamond and Platinum Ring13.26 Carat Oval Cabochon Black Opal, 2.26 Carat TW Eighteen Round Brilliant Cut Diamond and Platinum Ring. Opal with very good play of multi color. Diamonds E-F color, VVS-VS clarity. Stamped Pt900.See Sold Price
Sold2021GIA 1.42 Ct Round Brilliant-Cut Diamond Plat RingVintage 1.42 carat round brilliant-cut diamond and platinum ring with GIA certificate, color: N, clarity: VS2, marked: "900 PLAT / 10% IRID." 0.937" L x 0.27" W at widest section; size: 6 1/4. Approx:See Sold Price
Sold2021Diamond and Platinum RingVintage Approx. 2.50 Carat TW Baguette and Round Brilliant Cut Diamond and Platinum Ring. Diamonds H-I color, VS clarity. Stamped Plat. Ring size 5-1/2. Approx. weight: 8.18 grams. Condition: Good vinSee Sold Price
Sold2022An Impressive 3.50 ctw Diamond Dome Ring in 18K18K yellow gold and platinum ring featuring round brilliant cut diamonds, weighing approx. 3.50 ctw, average G-H color, average VS clarity, bead set among yellow gold twisted rope accents, openwork twSee Sold Price
Sold2016EXTREMELY RARE 1.02CT RUBY & DIAMOND PLATINUM RINGExtremely Rare GIA and AIG Certified 1.02 Carat Natural Unheated Pear Shape Ruby, .54 Carat Round Brilliant Cut Diamond and Platinum Ring. Ruby with good saturation of color. Diamonds D-E color, VS1-VSee Sold Price
6 days LeftFederal Assets AuctioneersClassic Platinum 1.15 ctw GIA Round Brilliant Diamond & Emerald 3 Stone Ring$1
14 hrs LeftArk Auctions IncTiffany & Co, Paper Flowers Platinum (PT950) Diamond and Tanzanite Flower Ring Size 6$2,000
May 28Miami Auction GalleryGIA Certified 3.41cts Round Brilliant Cut Diamond Platinum Three Stone Ring$22,500
May 18Most Elite Collections LLCRound Brilliant 6.55 ct VS1 Clarity, G Color Diamond Platinum Solitaire Ring$13,000(7 bids)
May 18Most Elite Collections LLCRound Brilliant 3.02 ct VVS2 Clarity, F Color Diamond Platinum Solitaire Ring $60(2 bids)
4 days LeftUniques and Antiques, Inc.TIFFANY and Co. Platinum Solitaire Diamond Round Brilliant Cut 0.95 Carat Diamond Ring. Comes with G$3,000
1 day LeftLilly M. JEWELERSArt Deco Style Round Brilliant Diamond with Ruby Engagement Ring in Platinum$1,600