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
Sold2022Diamond Solitaire Platinum Ring, 1.11 carat ,round brilliant faint yellow light brown, K color, in antique platinum setting with appraisal of $4,750.00, currently size 5 1/4.See 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
Sold2022A PLATINUM DIAMOND RINGA PLATINUM DIAMOND RING a round brilliant-cut diamond to three milgrain diamond-set bands. Estimated principal diamond weight 0.70ct, estimated total diamond weight 1.35ct, hallmarked London 2008, rinSee Sold Price
Sold2023Platinum & Diamond Art Deco Ring, round brilliant .75 carat center diamond and 12 round diamondsPlatinum & Diamond Art Deco Ring, round brilliant .75 carat center diamond and 12 round diamonds totaling another .18 carat, with appraisal of $4,950.00, currently size 6 3/4.See Sold Price
Sold2017"950" PLATINUM & DIAMOND ENGAGEMENT RINGA STAMPED "950" PLATINUM & DIAMOND ENGAGEMENT RING. THE ROUND BRILLIANT CUT DIAMOND HAS A G.I.A. DIAMOND CERTIFICATE THAT STATES THE DIAMOND IS 1.08CTS., I=COLOR, SI2=CLARITY. THIS IDEAL CUT DIAMOND ISee Sold Price
Sold2022A PLATINUM SOLITAIRE DIAMOND RINGA PLATINUM SOLITAIRE DIAMOND RING a round brilliant-cut diamond in a claw setting, to diamond-set shoulders. Estimated principal diamond weight 0.90ct, hallmarked London 2018, ring size M, 4.8 gramsSee Sold Price
Sold2015Platinum Solitaire Diamond Engagement RingLady's Platinum Solitaire Diamond Engagement Ring Round Brilliant Cut Diamond weighs approx. 1.01 cts., I color, SI-2 clarity, Size 6-3/4, 5.5 dwtSee Sold Price
Sold2022A PLATINUM DIAMOND THREE STONE RINGA PLATINUM DIAMOND THREE STONE RING graduated round brilliant-cut diamonds in claw settings. Estimated total diamond weight 3.40ct, hallmarked Sheffield (indistinct), ring size O, 6.8 grams Good coSee Sold Price
Sold2016Platinum Three Stone Diamond RingPlatinum three stone diamond ring, center round brilliant-cut diamond appx. 1.20 ct., SI / IJ. Two Old Mine Cut diamonds are set on each side, appx. 1.30 ct. total weight, SI / HI, size 6 3/4.See Sold Price
Sold2019A Platinum and Diamond Ring, 5.50 dwts.A Platinum and Diamond Ring, containing one round brilliant cut diamond weighing approximately 1.01 carat, 12 marquise cut diamonds weighing approximately 0.95 carat total and 28 baguette cut diamondsSee Sold Price
Sold2022LADY'S PLATINUM 3.50CTTW DIAMOND RING.Lady's platinum diamond ring consisting of 1 round brilliant cut center diamond measuring 6.4mm in diameter, 6 graduated round brilliant cut diamonds ranging from 4mm to 2.9mm in diameter, 7 round briSee Sold Price
Sold2022PLATINUM AND DIAMOND RINGPLATINUM AND DIAMOND RING Containing seven round brilliant cut diamonds weighing approximately 1.55 carats total.  Ring size 6 3/4. Stamp: PT 900 DENNIS. Gross weight: 8.75 dwt.See Sold Price
Sold2022Art Deco Style Platinum Diamond Cocktail RingVintage Art Deco style platinum diamond cocktail ring, set with round brilliant and baguette-cut diamonds; approx: 1.50 carats total weight; color: H-I, clarity: VS - SI1. Marked: "PLAT". Ring measureSee Sold Price
Sold2018*A Platinum and Diamond Ring, 2.70 dwts.A Platinum and Diamond Ring, containing three round brilliant cut diamonds weighing approximately 0.51 carat total and four baguette cut diamonds weighing approximately 0.27 carat total. Stamp: IRID-PSee Sold Price
Sold2021PLATINUM AND DIAMOND RINGPLATINUM AND DIAMOND RING Containing 46 round brilliant cut diamonds weighing approximately 1.00 carat total. Ring size 6. Stamp: Pt900 1.00. 7.70 dwt. Property from the Collection of Paula Huffman, 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
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
Sold2022Diamond, Platinum Ring.Diamond, Platinum Ring. Featuring one round brilliant-cut diamond weighing approximately 2.40 cts., accented by eighteen single-cut diamonds weighing a total of approximately 0.08 cttw., set in a platSee Sold Price
Sold2019A Platinum and Diamond Bombe Ring, 11.80 dwts.A Platinum and Diamond Bombe Ring, containing one round brilliant cut diamond weighing 1.62 carats, 14 marquise cut diamonds weighing approximately 3.80 carats total and 40 baguette cut diamonds weighSee Sold Price
Sold2015Tiffany & Co. Diamond, Platinum Ring.Tiffany & Co. Diamond, Platinum Ring. Featuring one round brilliant-cut diamond weighing approximately 1.05 ct., set in a solitaire platinum mounting. {Size 5 1/4, Gross Weight: 2.8 dwts}See Sold Price
Sold2018An Antique 14kt. Yellow Gold and Platinum, Diamond RingAn Antique 14kt. Yellow Gold and Platinum, Diamond Ring, Set with one round older brilliant cut diamond weighing approx. 1.35 ct. and measuring approx. 6.80-6.99 x 4.31mm., with a VS-2 clarity and G cSee Sold Price
Sold2018* A Platinum and Diamond Cluster Ring 7.30 dwts.* A Platinum and Diamond Cluster Ring containing one round brilliant cut diamond weighing approximately 0.58 carat, 19 round brilliant cut diamonds weighing approximately 2.10 carats total and nine maSee Sold Price
Jun 09Austin Auction GalleryESTATE CUSTOM PLATINUM & GIA 3.31CT DIAMOND & 6.25CTTW ACCENT DIAMONDS RING$20,000
3 days LeftTremont AuctionsTiffany & Co. platinum 2.01 carat diamond solitaire ring. Round brilliant center cut diamond. 8.00 x$3,000(1 bid)