细节
AN 18K WHITE-GOLD, BLACK OPAL AND DIAMOND CLUSTER RING
The oval-cut opal within a circular-cut diamond-set border to a plain hoop, circa 1980
see illustration
The oval-cut opal within a circular-cut diamond-set border to a plain hoop, circa 1980
see illustration
拍场告示
Please note the black opal is a triplet.