Important Modern & Vintage Timepieces
Geneva, Jun 28, 2020
CORNFLOWER BLUE SAPPHIRE AND DIAMOND RING
Oval-cut sapphire of 7.7 carats, circular-cut diamonds, gold, 1960s, size 57 GRS 2014, report no GRS2014-107128, 7.7 carats, cornflower blue, Sri Lanka, no indication of thermal treatment
Brand Unsigned