Sold2022A diamond single-stone ringA diamond single-stone ring claw-set with a cut-cornered square modified brilliant-cut diamond, to a plain band, mounted in platinum; with GIA later inscription number 6107374369, stating that the diaSee Sold Price
Sold2019GIA CERTIFIED FANCY INTENSE YELLOW 5.51 CARAT RINGProperty of A Palm Beach Lady FANCY INTENSE YELLOW DIAMOND AND DIAMOND RING Set with a cut-cornered Square-Modified cut diamond weighing 5.51 carats, flanked by triangle-shaped diamonds weighing togetSee Sold Price
Sold2022Platinum and Diamond RingPlatinum and Diamond Ring One square cushion-shaped modified brilliant diamond weighing 2.01 cts., 34 small round diamonds ap. .50 ct., ap. 4 dwts. Size 4 1/2. With GIA report no. 2221463783 stating FSee Sold Price
Sold2021Platinum emerald and diamond ringLadies platinum emerald and diamond ring featuring a prong set square step cut emerald weighing approx. 2.42ct.. Accented with a halo and split shank design of prong set round brilliant cut diamonds wSee Sold Price
Sold20201.60 cts. diamond and platinum engagement ringDiamond and platinum engagement ring Set with a modified rectangular-cut diamond weighing approximately 1.60 cts. by formula Platinum Numbered 5014 Ring size 7 3/4; Gross weight 3.7 dwts GIA Report #1See Sold Price
Sold2022Vintage Platinum, Ruby, and Diamond RingVintage Platinum, Ruby, and Diamond Ring centering on a modified square cushion cut ruby measuring approximately (5.8 x 5.7 x 2.79 mm) weighing approximately .78 carat and with baguette and trillion cSee Sold Price
Sold202255013: Diamond, Platinum, Gold Ring Set Stones: SquareDiamond, Platinum, Gold Ring Set Stones: Square brilliant-cut diamond weighing 2.00 carats; triangle-shaped diamonds weighing a total of 1.41 carats; square bSee Sold Price
Sold2021Simon G. Platinum Invisible Set Diamond RingSimon G. Platinum Invisible Set Diamond Ring, Comprising 27 square princess cut diamonds, total carat weight of 1.97ctw.  The ring is a one-piece platinum casting with a very good make andSee Sold Price
Sold2020Graff Fancy Yellow Diamond Platinum Ring 10.62 CaratMagnificent diamond three-stone ring created by Lawrence Graff. Features a 10.62-carat natural fancy yellow cut-cornered square modified brilliant cut diamond flanked by two calf's head shape facetedSee Sold Price
Sold20234.34ct Platinum Diamond & Blue Sapphire Men's Ring4.34 Carat platinum 9mm diamond and blue sapphire men's ring. Diamond is old European cut, bead set in a reflector head S11 clarity, L color, set in platinum band. Six flanking channel set square stepSee Sold Price
Sold2016A 3 Stone Fancy Diamond Ring on Platinum and 18k YellowA 3 Stone Fancy Diamond Ring on Platinum and 18k Yellow Gold mounting with pave' diamonds, a cut-cornered square modified brilliant cut 0.70 carat natural fancy intense green grade Center diamond withSee Sold Price
Sold2023GIA 1.01ctw E VS2 Diamond Platinum Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.75. Center will fit approx. 6.5 x 6.4mm stone. GEMSTONES: Two side square modified diamonds - GIA certified, 0.50ct and 0.51ct E/VS2. Come with two GIA reporSee Sold Price
Sold2022Platinum and Diamond Engagement Ring and Wedding Band SetPlatinum and Diamond Engagement Ring and Wedding Band Set Single round cut diamond in square setting flanked by (2) round cut diamonds on each side; and a band having (7) round cut diamonds on top; boSee Sold Price
2016A Deep Pink Diamond Ring Set in Platinum with YellowA deep oval shape pink diamond 0.80 carat weight, modified brilliant cut , set in platinum with two pear shape intense yellow diamonds on the sides. Gia certificate.See Sold Price
Sold2020PLATINUM AND DIAMOND ART DECO COCKTAIL RING ~ SIZE 7PLATINUM AND DIAMOND ART DECO COCKTAIL RING ~ SIZE 7 TAPERED SHANK, 90% PLATINUM, 10% IRIDIUM, WITH TWENTY-FOUR SURFACE PRONG SET DIAMONDS ROUNDS, BEZEL SET SQUARE CUT CENTER STONE & SIX HALF-BEZEL SESee Sold Price
Sold2015Platinum Round Cut Diamond RingPlatinum Round Cut Diamond Ring. Mounted in platinum, the sparkling, round cut, SI2-I1 clarity, diamond is prong set in a square mounting and weighs approximately 0.33 ct.*. The mounting is accented wSee Sold Price
Sold2022Platinum, Diamond and Ruby RingPlatinum, Diamond and Ruby Ring, center bezel set round brilliant cut diamond, wt. approx. 1.54 cts., H color, I1 clarity; inner surround with 20 square/trapezoid rubies, total wt. 1.01 cts.; outer suSee Sold Price
Sold2022Art Deco 3.70ct Diamond Platinum Square Ring Size 6This is a gorgeous Art Deco ring, it is crafted from platinum featuring 9 square shape frame set in a square shape form, the center square has a 1.40ct round diamond, with smaller diamonds in each squSee Sold Price
Sold2017Tiffany & Co. Square Diamond Platinum RingTiffany & Co. Square Diamond Platinum Ring Signed / Stamped: TIFFANY & CO., Numbered, PT950 GIA Report 5182583373 0.78 ct Square Modified Brilliant Diamond Color & Clarity: E, VS1 Ring sizSee Sold Price
Sold2023TIFFANY & CO, 3-ROW DIAMOND ETERNITY RINGTIFFANY & CO, 3-ROW DIAMOND ETERNITY RING, in platinum. The raised central band set with square cut diamonds, flanked on both sides with round cut diamonds, totalling approx. 4.16 ct. Signed Tiffany &See Sold Price
Sold2020A Platinum & Diamond Ring.A Platinum & Diamond Ring. Engraved square ring mounting contains five bead set round diamonds Size: 6 Wt: 2.9 gramsSee Sold Price
Sold202218 Karat White Gold Ladies Ring18 Karat White Gold Ladies Ring, set with center marquise diamond flanked by modified square and baguette diamonds, surrounded by round diamonds, center size 9.25mm x 7.5 mm, 75 grams, size 6 1/4. **PSee Sold Price
Sold2015Four gem and platinum eternity bandsPlatinum, one band centering full-cut diamonds and three set with square-cut sapphires, diamond ring sized: 5 1/2, sapphires: 4 1/4, 5 1/4 and 5 3/4, 9.0 gms gross, est: $500/700See Sold Price
Sold2022GROUPING OF SEMIPRECIOUS STONE & DIAMOND RINGSIncluding: platinum ring with four invisibly-set square-cut diamonds flanked by channel-set diamonds, size US 5.25; 14K yellow gold ring with central ruby surrounded by small diamonds, size 4.5; 14K wSee Sold Price
5 days LeftTremont AuctionsVintage platinum diamond mounted anniversary ring band. Channel set square cut diamonds. Area ofUS$475(5 bids)
5 days LeftTremont AuctionsPlatinum diamond and sapphire full surround mounted anniversary ring band. Channel set squareUS$375(3 bids)
4 days LeftVerma Estate DepartmentPlatinum 0.93 Carat Total Old European Cut Diamond Engagement RingUS$100(2 bids)
2 hrs LeftMynt AuctionsPlatinum AIG Graded Princess Cut Diamond Engagement Ring & Band - Size 5US$2,600
5 hrs LeftMiami Auction GalleryTACORI 1.13CTS GIA CUSHION DIAMOND PLATINUM THREE STONE ENGAGEMENT RINGUS$3,200(1 bid)
3 days LeftMiami Auctions & Appraisals LLC Certified 9.02cts Zambian Emerald Diamond Platinum Cocktail RingUS$52,500
5 hrs LeftMiami Auction GalleryTIFFANY & CO. LEGACY 1.74CT GIA CUSHION DIAMOND PLATINUM HALO ENGAGEMENT RINGUS$12,250
3 days LeftMiami Auctions & Appraisals LLC 9.89 carats No-Heat Ceylon GIA Sapphire Fancy Diamond three stone Platinum RingUS$28,500