A Platinum and Diamond Ring Centering a marquise-shaped diamond weighing approximately 0.80 carat,John Moran Auctioneers, Inc.4.7(521)$2,500Sep 30, 2026
1.54 CARAT OLD EUROPEAN CUT DIAMOND 18 KARAT WHITE GOLD ENGAGEMENT RINGModern Jewelry4.5(221)$20,750Oct 15, 2026
1.86 CARAT CIRCULAR BRILLIANT CUT G-I2 DIAMOND PLATINUM ART DECO RINGModern Jewelry4.5(221)$9,000Oct 15, 2026
