2.11 CARAT OLD EUROPEAN CUT K I1 DIAMOND PLATINUM ART DECO RINGModern Jewelry4.4(205)US$20,500May 17, 2026
1.14 CARAT OLD EUROPEAN CUT I SI2 DIAMOND PLATINUM ART DECO RINGModern Jewelry4.4(205)US$9,000May 17, 2026
Antique Platinum Ring with 1.35ct Old European Diamond and Cut AccentsEastern European Art Gallery IncUS$12,5007 days Left
Platinum Vintage Engagement Ring 1.65ct Old European Diamond GIA K SI2Bidhaus4.3(858)US$6,0002 days Left
AN EARLY 20TH CENTURY DIAMOND THREE-STONE RING The central old cushion-shaped diamond weighingAdam's Auctioneers4.3(12)€3,000May 12, 2026
Antique Edwardian Platinum Engagement Ring GIA 2.09ct Old Diamond Buckle SidesMynt Auctions4.4(868)US$100May 13, 2026
