VINTAGE 7.40 GRAMS SIZE 6 PLATINUM THREE STONE SEMI MOUNT RINGModern Jewelry4.5(203)$3,400Mar 03, 2026
Vintage 1940's 2-Stone Diamond Engagement Ring Platinum, .18 CTW, 3.33 GramsChairish Auctions4.5(10.3k)$380
2.67 DWT Total Weight 18K White Gold Anniversary Band With 3 Diamonds Ring Size 9Auctions at Deer Ridge Farm4.5(52)$55(2 bids)Feb 15, 2026
SoldPlatinum three stone Mounting RingPlatinum three stone engraved mounting. Marked 900 Platinum, size 7.5, weight 5.7dwt / 8.9 gramsSee Sold Price
SoldPlatinum Three Stone Engagement Ring MountingMETAL: platinum. MEASUREMENTS: ring size 5.5. Ring will keep three stones approx. 4.3mm x 4.3mm , 4.3mm x 4.3mm and 6.0mm x 6.0mm. MARKED: PT950 Salvo. WEIGHT: 9.7 grams. Gemstones have not been gradeSee Sold Price
SoldPlatinum Three Stone Engagement Ring MountingMETAL: platinum. MEASUREMENTS: ring size 9. Ring will keep three stones approx. 4.3mm x 4.3mm each. MARKED: I-A PLAT. WEIGHT: 5.3 grams. Gemstones have not been graded for color and clarity ,and testeSee Sold Price
SoldPlatinum And Diamond Three Stone Engagement Ring Mounting With Tapered BaguettesMETAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.72 ctw; STAMPED: 10% IRID PLAT; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 5.6 g; MEASUREMENTS: Ring size 7.5; center will fit approx. 8.5-9.See Sold Price
SoldAntique 1920s Platinum Ring Mounting with SapphiresPlatinum 1920s antique ring mounting for three center stones, two 3mm round stones, and one 3.5mm stone. Simulated sapphire accents. Size US 7, 4.14gSee Sold Price
SoldCollection of Three Platinum, 18k Gold Rings.Collection of Three Platinum, 18k Gold Rings. Including one Orange Blossom platinum open work two-stone semi mounting, size 5 1/4; one 18k white gold band, size 4 1/4 together with one engraved platinSee Sold Price
SoldDiamond Platinum Three Stone RingDiamond Platinum Three Stone Ring Stamped: Plat Emerald cut diamond weight approx. 1.00 ct Color & Clarity: F, SI2 2 Baguette Diamonds total weight approx. 0.08 ct Ring Size: 5.25 Total Weight: 3.See Sold Price
SoldArt Deco style Approx. 2.67 Carat Round Brilliant CutArt Deco style Approx. 2.67 Carat Round Brilliant Cut Diamond and Platinum Three Stone Ring accented with .88 Carat French Cut Sapphires. Diamonds E-F color, VS clarity. Sapphires with vivid saturatioSee Sold Price
SoldSapphire and Platinum RingApprox. 3.21 Carat Heart Shape Blue Sapphire, 3.49 Carat TW Two Heart Shape Pink Sapphire and Platinum Three Stone Ring. Sapphires with vivid color. Stamped Pt950. Ring size 6-1/2. Approx. weight: 8.0See Sold Price
SoldPlatinum, Diamond and Sapphire RingA ladies platinum three stone ring with a central diamond flanked by oval sapphires. Dimensions: Size 9, the approximate gross weight is 4.0 dwt. The diamond is approximately 1.00 ct (estimated weightSee Sold Price
Sold14KT GOLD AND GEMSTONE RING14KT GOLD AND GEMSTONE RING ~ 3.4 GRAMS TOTAL WEIGHT. STRAIGHT SHANK RING (SIZE 7.5). EMERALD CUT AND TRILLION CUT CLEAR GEMSTONES (NOT DIAMONDS) IN THREE STONE MOUNTING. RING WITH HIGH POLISH FINISH.See Sold Price
Sold14KT GOLD AND GEMSTONE RING14KT Gold and Gemstone Ring 3.4 grams total weight. Straight shank ring (size 7.5). Emerald cut and Trillion cut clear gemstones (not diamonds) in three stone mounting. Ring with high polish finishSee Sold Price
SoldA 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
SoldGIA 4.09CTS RUBY DIAMOND PLATINUM THREE STONE COCKTAIL RINGOval Brilliant-Cut natural corundum Ruby showing minor residues of heat, and weighing approximately 4.09 carats. Adorned by 2 Genuine Natural Diamonds with the rare Trillion cut, H - I color and VS clSee Sold Price
SoldTACORI 1.13CTS GIA CUSHION DIAMOND PLATINUM THREE STONE ENGAGEMENT RINGProng-set by a centered GIA lab reported cushion-brilliant diamond, weighing 0.75 carats, graded I color and SI2 clarity. Besides two square-cut, prong-set diamonds and accented by 12 round-cut, channSee Sold Price
SoldPlatinum 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
SoldAn Art Deco platinum diamond three-stone ringAn Art Deco platinum old-cut diamond three-stone ring, estimated total diamond weight 1.65ct, G-H colour, VS2-SI1 clarity, band stamped platinum, ring size N, 3.7gSee Sold Price
SoldA platinum diamond three-stone ring.A platinum diamond three-stone ring. The brilliant-cut diamond line, to the openwork gallery and tapered band. Estimated total diamond weight 1.05cts, H-K colour, SI2-P1 clarity. Hallmarks for BirmingSee Sold Price
SoldA platinum diamond three-stone ring.A platinum diamond three-stone ring. The brilliant-cut diamond, with similarly-cut diamond sides to the plain band. Estimated total diamond weight 1.20cts, J-L colour, SI clarity. Hallmarks for BirminSee Sold Price
Sold14k Gold Platinum Diamond Three Stone RingMETAL: 14k gold/ platinum . MEASUREMENTS: ring size - 6 3/4. GEMSTONES: 3 oval diamonds - approx. 1.05ctw. MARKED: dia 14k plat 2. WEIGHT: 4 grams.Gemstones have not been graded for color and claritySee Sold Price
SoldA Lady's Platinum Three Stone Diamond RingPlatinum, vintage basket setting, with center diamond approx .30 ct and two side stones weighing approx .25 ct each, sz 7.5, 1 gram twSee Sold Price
SoldA mid 20th century platinum diamond three-stone ring.A mid 20th century platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with single-cut diamond line sides, to the plain band. Estimated total diamond weight 0.55ct, I-J colourSee Sold Price
Sold18ct Yellow gold and platinum three stone diamond ring18ct Yellow gold and platinum three stone diamond ring with colette settingSee Sold Price
