Vintage platinum diamond solitaire ring. Diamond approx. 5.9mm diameter (0.80cts). Flanked by twoTremont Auctions4.6(320)$350May 31, 2026
0.73 CARAT ROUND BRILLIANT H SI1 DIAMOND PLATINUM SEMI MOUNT RINGModern Jewelry4.5(205)$5,100May 24, 2026
1.00 CARAT ROUND BRILLIANT H SI1 DIAMOND 18 KARAT WHITE GOLD BAND RINGModern Jewelry4.5(205)$3,350May 24, 2026