PLATINUM SEMI-MOUNT RING W/ 0.30CT H SI BAGUETTE DIAMONDS – VINTAGE SETTINGModern Jewelry4.5(203)$2,6005 days Left
PLATINUM SEMI-MOUNT RING W/ 0.30CT H SI BAGUETTE DIAMONDS – VINTAGE SETTINGModern Jewelry4.5(203)$2,600Mar 03, 2026
Platinum GIA Certified 1.95 Ct Diamond Ring Set with Additional DiamondsBidhaus4.2(836)$1005 days Left
Platinum Diamond Ring 1.15 Ct G Color SI2 with 16 Accent DiamondsDiamond Depot4.3(10)$4,2503 days Left
Platinum Diamond Engagement Ring 2.05 Ct Center & Anniversary Band SetDiamond Depot4.3(10)$9,7003 days Left
Vintage Platinum Diamond Ring 1.08ct GIA Certified F Color VS2 Size 8Mynt Auctions4.4(818)$3,8004 days Left
Platinum Diamond Engagement Ring 2.05 Ct Center & Anniversary Band SetBidhaus4.2(836)$100Feb 07, 2026
SoldA platinum diamond single-stone ring.A platinum diamond single-stone ring. The square-shape diamond, to the tapered shoulders and plain band. Estimated diamond weight 0.40ct, I-J colour, SI clarity. Hallmarks for Birmingham, 2001. WeightSee Sold Price
SoldA platinum diamond single-stone ring.A platinum diamond single-stone ring. The brilliant-cut diamond, to the tapered shoulders and plain band. Estimated diamond weight 2.35cts, I-J colour, P3 clarity. Hallmarks for London, 2004. Weight 5See Sold Price
Sold(1345) A platinum diamond single-stone ring. The(1345) A platinum diamond single-stone ring. The square-shape diamond, with tapered shoulders. Diamond weight 0.47ct, stamped to band, estimated K-L colour, SI2-P1 clarity. Hallmarks for London. RingSee Sold Price
SoldA platinum diamond single-stone ring. TheA platinum diamond single-stone ring. The rectangular-shape diamond, with tapered shoulders. Diamond weight 0.40ct, stamped to band, estimated I-J colour, SI clarity. Hallmarks for London, 2006. RingSee Sold Price
SoldA platinum diamond single-stone ring. The brilliant-cutA platinum diamond single-stone ring. The brilliant-cut diamond, with tapered shoulders. Diamond weight 0.33ct, stamped to band, estimated H-I colour, SI clarity. Hallmarks for London. Ring size L1/2.See Sold Price
SoldA platinum diamond single-stone ring. Of bi-colourA platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with bar sides and tapered band. Diamond weight 0.33ct, H-I colour, P1 clarity. Hallmarks for London. Ring size O.See Sold Price
SoldA platinum diamond single-stone ring. The brilliant-cutA platinum diamond single-stone ring. The brilliant-cut diamond, to the asymmetric shoulders. Estimated diamond weight 0.30ct, I-J colour, SI2-P1 clarity. Hallmarks for Birmingham. Ring size N. WeightSee Sold Price
SoldA platinum diamond single-stone ring. TheA platinum diamond single-stone ring. The rectangular-shape diamond, to the knife-edge sides and plain band. Diamond weight 0.34ct, stamped to band, estimated K-L colour, P1 clarity. Hallmarks for BirSee Sold Price
SoldA platinum diamond single-stone ring. The square-shapeA platinum diamond single-stone ring. The square-shape diamond, with tapered band. Estimated diamond weight 0.25ct, H-I colour, SI clarity. Hallmarks for Birmingham. Ring size K 1/2. Weight 2,9gms. OvSee Sold Price
SoldA platinum diamond single-stone ring. The brilliant-cutA platinum diamond single-stone ring. The brilliant-cut diamond collet, with tapered shoulders. Diamond weight 0.16ct, stamped to band, estimated H-I colour, P1 clarity. Hallmarks for London. Weight 3See Sold Price
SoldA mid 20th century 18ct gold and platinum diamondA mid 20th century 18ct gold and platinum diamond single-stone ring. The brilliant-cut diamond collet, to the tapered shoulders and plain band. Estimated diamond weight 0.45ct, J-K colour, P1. WeightSee Sold Price
SoldA mid 20th century 18ct gold and platinum diamondA mid 20th century 18ct gold and platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with tapered shoulders and single-cut diamond accents. Principal diamond estimatedSee Sold Price
SoldA platinum single stone ring. Brilliant cut diamond inA platinum single stone ring. Brilliant cut diamond in rub-over setting. Diamond: 0.2 ct. Colour H. Size: M. 5. approx. grms.See Sold Price
SoldA LOVELY SINGLE STONE DIAMOND RING, 1.65CTS, set inA LOVELY SINGLE STONE DIAMOND RING, 1.65CTS, set in platinum.See Sold Price
SoldA mid 20th century platinum and 18ct gold diamondA mid 20th century platinum and 18ct gold diamond single-stone ring. The circular-cut diamond, with pave-set diamond line sides. Principal diamond estimated weight 0.30ct, I-J colour, P1 clarity. RingSee Sold Price
SoldA platinum and 18ct gold diamond five-stone ring,A platinum and 18ct gold diamond five-stone ring, together with a 9ct gold diamond single-stone ring. The first set with single-cut diamonds, the second set with a brilliant-cut diamond. Estimated totSee Sold Price
SoldFive gold gem-set rings. To include an early 20thFive gold gem-set rings. To include an early 20th century platinum and 18ct gold single-cut diamond three-stone crossover ring, an early 20th century 18ct gold and platinum synthetic ruby dress ring,See Sold Price
SoldPlatinum Setting w/ DiamondsPlatinum setting for a single stone ring accented by six diamonds; weighs approximately .15 ozt; in Good condition.See Sold Price
SoldTwo platinum and diamond ring mountingsTwo platinum and diamond ring mountings, one with single baguette and round stone on either side of prongs, would hold approximately a 3/4 carat diamond, size 4, platinum stamp is partially worn, weigSee Sold Price
SoldPLATINUM AND DIAMOND RING ~ SIZE 7, TAPERED SHANK WITHPLATINUM AND DIAMOND RING ~ SIZE 7, TAPERED SHANK WITH OPENWORK DESIGN FEATURING 0.55CT BRILLIANT ROUND CENTER STONE WITH SIX SINGLE CUT DIAMONDS ON EACH SIDE (APPROX 0.73CT TDW) STAMPED AND TESTED (4See Sold Price
SoldEdwardian Diamond Ring in Platinum PLUSAn Edwardian diamond ring in platinum, featuring a center stone approximately 0.17 ct, with four single cut diamond side stones, size 4.5. Also included is an 18k white gold ring with estimated 0.22 cSee Sold Price
SoldPLATINUM AND DIAMOND ENGAGEMENT RING SETPLATINUM AND DIAMOND ENGAGEMENT RING SET WITH 0.65CT ROUND FULL-CUT DIAMOND AND (4) SINGLE-CUT SIDE STONES; COLOR: FACES UP WHITE; CLARITY: EYE CLEAN. RING SIZE 8; GROSS WEIGHT 4.8 GRAMSSee Sold Price
SoldPlatinum Tsavorite and Diamond RingPear brilliant cut crown, modified brilliant cut pavilion, green, tsavorite grossular garnet centerstone, 0.94 CT. Round single cut diamond accent stones 0.42 CT, 89 pieces. Gross total weight 5.6 GraSee Sold Price
SoldVINTAGE LADIES PLATINUM AQUAMARINE & DIAMOND RINGVintage ladies' stunning platinum estate ring set to the center with a large rectangular cut aquamarine stone, embellished with a single rectangular cut diamond on each shank. Ring size 6-1/2. WeighsSee Sold Price
