between rectangular cushion cut diamonds, each approximately 1.05ct, channel set, raised above a gallery set with calibre lines of sapphires and diamonds, mounted in platinum, trace of French platinum mark and workshop mark Length of head 1.7cm / 5/8'' Weight: 4g
Art Deco diamond and sapphire cluster ring, French c.1925, central rectangular cut diamond of approximately 1.00ct, between calibre sapphire and diamond dart shoulders,