1.14CT ROUND BRILLIANT DIAMOND PLATINUM ART DECO VINTAGE RING SIZE 7.5Modern Jewelry4.5(204)$6,100Mar 03, 2026
Art Deco Platinum Ring with 0.65 Ct Diamond and 6 Accent DiamondsMynt Auctions4.4(822)$1003 days Left
Platinum Diamond Ring 0.90 Ct Center H VVS1 with 0.30 Ct Side DiamondsBidhaus4.2(836)$100Feb 12, 2026
SoldA mid 20th century platinum diamond cluster ring. TheA mid 20th century platinum diamond cluster ring. The old-cut diamond cluster, with pierced gallery and plain band. Estimated total diamond weight 1ct, I-J colour, SI clarity. French assay marks. RingSee Sold Price
SoldA mid 20th century platinum diamond dress ring. TheA mid 20th century platinum diamond dress ring. The brilliant-cut diamond, with similarly-cut diamond tapered cylindrical sides. Estimated total diamond weight 1.50cts, principal diamond estimated I-JSee Sold Price
SoldA mid 20th century platinum diamond five-stone ring.A mid 20th century platinum diamond five-stone ring. The graduated old-cut diamond line, to the ridged shoulders and plain band. Estimated total diamond weight 0.65ct, I-J colour, SI1-P1 clarity. WeigSee 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
SoldA mid 20th century platinum, sapphire and diamondA mid 20th century platinum, sapphire and diamond cluster ring. The rectangular-shape sapphire, within a circular-cut diamond scalloped surround, to the openwork gallery. Estimated total diamond weighSee Sold Price
SoldA mid 20th century platinum diamond half-circleA mid 20th century platinum diamond half-circle eternity ring. Designed as a series of ten brilliant-cut diamonds, to the engraved half-band. Estimated total diamond weight 0.70ct. Ring size M1/2. WeiSee Sold Price
SoldA mid 20th century gold and platinum diamond floralA mid 20th century gold and platinum diamond cluster ring. The circular-cut diamonds, to the tapered band. Estimated total diamond weight 0.35ct. Weight 2.5gms.See Sold Price
SoldLady's Tourmaline and Diamond RingVintage mid 20th century platinum emerald cut tourmaline and diamond ring. The ring features an approximately 11.00 carat modified emerald cut indicolite tourmaline that is mounted in a four (4) handSee Sold Price
SoldA mid 20th century platinum and 18ct gold diamondA mid 20th century platinum and 18ct gold diamond cluster ring. The single-cut diamond floral cluster, with single-cut diamond sides, to the plain band. Estimated total diamond weight 0.15ct. Weight 2See 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 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 mid 20th century platinum and 18ct gold diamondA mid 20th century platinum and 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, to the single-cut diamond asymmetric sides and plain band. Estimated total diamond weightSee Sold Price
SoldA mid 20th century 18ct gold and platinum diamondA mid 20th century 18ct gold and platinum diamond three-stone ring. The graduated brilliant-cut diamonds, each within an illusion setting, to the tapered shoulders and plain band. Estimated total diamSee Sold Price
SoldA mid 20th century platinum and 18ct gold diamondA mid 20th century platinum and 18ct gold diamond three-stone ring. The slightly graduated circular-cut diamonds, to the tapered band. Estimated total diamond weight 0.35ct, I-J colour, SI clarity. RiSee Sold Price
SoldA mid 20th century 18ct gold and platinum five stoneA mid 20th century 18ct gold and platinum five stone diamond ring size M.See Sold Price
SoldA diamond three-stone ring.A mid 20th century 9ct gold and platinum diamond three-stone ring. The graduated brilliant-cut diamonds, within a lozenge-shape surround, to the detailed shoulders and plain band. Estimated total diamSee Sold Price
SoldTwo mid 20th century 18ct gold and platinum, diamondTwo mid 20th century 18ct gold and platinum, diamond and sapphire rings. The first designed as a circular-shape sapphire with single-cut diamond surround, the second designed as a circular-cut diamondSee Sold Price
SoldTwo mid 20th century 18ct gold and platinum diamondTwo mid 20th century 18ct gold and platinum diamond three-stone rings. Each designed as three brilliant-cut diamonds, to the plain band. Estimated total diamond weight 0.45ct. Weight 5gms. Overall conSee Sold Price
SoldA mid 20th century 18ct gold and platinum, opal andA mid 20th century 18ct gold and platinum, opal and diamond cluster ring. The opal cabochon, within a single-cut diamond surround. Estimated total diamond weight 0.10ct. Ring size O. Weight 2.6gms. OvSee Sold Price
SoldA mid 20th century 18ct gold and platinum ruby andA mid 20th century 18ct gold and platinum ruby and diamond cluster ring. The circular-shape ruby, with single-cut diamond surround and tapered shoulders. Estimated total diamond weight 0.15ct. StampedSee Sold Price
SoldAn early to mid 20th century platinum and 18ct gold old-cut diamond floral dress ring.EstimatedAn early to mid 20th century platinum and 18ct gold old-cut diamond floral dress ring.Estimated total diamond weight 1.20cts, H-I colour, SI1-P1 clarity.Ring size O1/2. 3.3gms.See Sold Price
SoldA mid 20th century platinum and 18ct gold diamond andA mid 20th century platinum and 18ct gold diamond and paste three-stone ring. The graduated brilliant-cut diamonds and replacement colourless paste, to the asymmetric sides and plain band. One replaceSee Sold Price
SoldKinscherf Co. Platinum and Diamond Ring80% Platinum Art Nouveau style floral ring with one larger center diamond and ten surrounding diamonds. Produced by the William Kinscherf Company of New York City, ca. early - mid 20th century. AmericSee Sold Price
