A black opal and diamond ring by Bunda, featuring a free form solid black opal of 10.16cts, within a round brilliant cut diamond surround totalling 0.60cts, mounted in platinum, signed, ring size V-W. Condition: ring presents in very good condition and stones are secure in their settings. Opal displays blue, green and orange colours. Diamonds are colour G, Vs. Accompannied by a Bunda box.