1.60 CARAT CIRCULAR BRILLIANT CUT I SI DIAMOND PLATINUM THREE-STONE RINGModern Jewelry4.5(203)$3,700Mar 03, 2026
18K White Gold Mens Ring with 1.0ct Center Diamond and 0.72ct tw Adjacent DiamondsRiverside Galleries4.5(198)$504 days Left
18K White Gold Mens Ring with 1.0ct Center Diamond and 0.72ct tw Adjacent DiamondsRiverside Galleries4.5(198)$50(1 bid)6 hrs Left
SoldPlatinum 2.03ctw Diamond RingMETAL: Platinum. GEMSTONES: Mixed cut diamonds approx. 2.03ctw. MEASUREMENTS: Ring size 6 1/4, top is 17mm wide. MARKED: Pt900, 1.51, 0.52. WEIGHT: 10.4 grams. Gemstones have not been graded for colorSee Sold Price
SoldPLATINUM & DIAMOND RINGcentering one round brilliant cut diamond [I/SI1] weighing 5.72 carats, with GIA report no. 5212392624; and two pear shape brilliant cut diamonds [H/VS] weighing approximately 0.56 and 0.57 carats eacSee Sold Price
SoldLady's 4.10Ct Platinum Diamond RingLady's platinum ring containing a 4.10Ct round brilliant cut diamond center stone, Clarity SI 2, Color H, IGL certificate with 14 round brilliant cut diamonds and 14 single cut diamonds, total Carat wSee Sold Price
SoldPlatinum Diamond RingPlatinum Diamond Ring centering on an emerald cut diamond (8.50 x 6.53 x 4.06mm) weighing 1.99 carats (actual) with F color and VS2 clarity and accented to each side by a brilliant cut diamond weighinSee Sold Price
SoldPlatinum Diamond RingCenter stone estimate weight 2.80 cts, I-J, Vs2. Side stones est. .50 cts each. total ring weight est. 7.3 grams. size 6.5.See Sold Price
SoldPLATINUM & DIAMOND RINGcentering one circular brilliant diamond [N/SI1] weighing 2.77 carats, with GIA report no. 1226347042; and two tapered baguette-cut diamonds [J-K/VS] weighing approximately 0.25 carats total; 3.7 gramSee Sold Price
Sold3.3 Carat Asher Cut Platinum Diamond RingExtraordinary Art Deco 3 1/3 ct platinum, diamond and emerald ring, 4.1g. Diamond 3 1/3 carat Asher cut VS2 clarity, K color in 4 prong setting. 6 marquise cut, 4 bezel set diamonds and 2 triangular bSee Sold Price
SoldBrilliant Platinum & Diamond Ring, 4 Brilliant cut diamons Color I-J clarity VS2-SI1 totaling approximately 4.02ctw set in 4 prong heavy basket heads in a single row band with a split shoulder. Mounting is platinum. Weight as sits 8.See Sold Price
Sold2.18ct 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
SoldBailey Banks & Biddle Platinum Diamond RingContaining one princess cut diamond measuring 7.13mm x 7.03mm x 4.85mm weighing 2.02 carats. Size 6.75 (approximate). 3.0 dwt. Includes a Bailey Banks & Biddle Diamond Grading Certificate. Diamond ChSee Sold Price
SoldA beautiful art deco platinum diamond ringA beautiful art deco platinum diamond ring, center a gem quality European cut diamond wt. approx. 1.50ct (VS/VVS, H), accented by small diamonds, size 7.5See Sold Price
Soldplatinum diamond ring,A very nice platinum diamond ring, center brilliant cut gem quality diamond wt. approx. 1.75ct (VVS/VS1, K), accented by 4 small diamonds, size 6See Sold Price
SoldAn 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
SoldPlatinum Diamond RingMetal: Platinum Weight: 5.1 Grams Stone: Diamond Carat: 1.30ct (center dia), 0.75ct twt (accenting dia) Size: 7.25 This exquisite ring is expertly hand crafted in platinum and features a 1.30ct roundSee Sold Price
SoldTiffany & Co Platinum Diamond Ring & BandTiffany & Co Platinum solitaire diamond ring selling with matching platinum & diamond eternity band w/(11) round melee diamonds each .01 cts est. . Ring size 6.5, 6.2 gram, 1.35 cts est.See Sold Price
SoldVictorian Birks Platinum Diamond Ring 1.28ct w/COAVictorian platinum ladies ring from Birks. Set with a solitaire diamond, weight 1.28ct clarity VVS2, color H, symmetry B/B. Measures 6.90/6.92 - 4.3 mm. Old European cut, on each side two diamond baguSee Sold Price
SoldLadies 1930's Platinum & Diamond RingA ladies circa 1930's platinum and diamond ring, having one center modern round brilliant cut diamomd(approximately 1.33 carats total weight, color range: H-I, clarity: SI1) and flanked on either sideSee Sold Price
Art Deco Platinum Diamond RingArt Deco platinum and diamond ring, set in the center 1 with an old European-cut diamond weighing approximately 1.15 carats and with an estimated color and clarity grade of "I-J, VS1", within a domedSee Sold Price
SoldOld European Cut Platinum & Diamond Ring 3 C.T.W.Antique Old European Cut diamond and platinum ring set with Approx. 3 carats total weight diamonds, designed as 2 central round Old European Cut diamonds set side by side, "Toi et Moi" , with surroundSee Sold Price
SoldAntique Platinum Diamond Ringcenter square cut corner step-cut diamond estimated weight 1.05ct., H-I, SI, 32 old European and single cut diamonds estimated total weight 0.74ct., stamped ?A.P.?, tested platinum, size 5-3/4, 5.3 grSee Sold Price
SoldTiffany & Co. Schlumberger 18K Gold, Platinum & Diamond RingTiffany & Co. Schlumberger 18K Gold, Platinum & Diamond RingA wide 6-row rope style band in 18 karat yellow gold accented by 4 stations of X's in a polished platinum. The X's are embellished with rounSee Sold Price
SoldPlatinum Diamond Ring Mounting Loose GIA 8.10ct OvalMETAL: platinum. GEMSTONES: diamonds-approx. 2.20-2.30ctw. Oval modified brilliant cut sapphire-8.10ct, measurements-14.06mm x 11.12mm x 6.44mm. Stone is chipped on girdle. Original GIA Report #518106See Sold Price
SoldPlatinum Diamond RingPlatinum Weight 7.9gr European Cut Diamond Approx 1.75ct Ring Size 8See Sold Price
SoldPLATINUM DIAMOND RINGPLATINUM DIAMOND RING ~ SIZE 6.75, ART DECO STYLE DESIGN SET WITH A EUROPEAN CUT DIAMOND CENTER STONE (1.37CT TW) AND SURROUNDED BY FOUR SINGLE CUT DIAMONDS ON EACH SIDE OF THE BAND (APPROX 1.45CT TDWSee Sold Price
