Art Deco diamond and black enamel oblong cluster ring

Odeonesque design, the shaped oblong cluster panel centred by a principal rounded old brilliant cut diamond, claw set, to a three-line ground of old round brilliant and single cut diamonds, black enamel line divisions, a round cut diamond to each shoulder within a kite shaped collet, panel and shoulders millegrain set, fluted half hoop and beaded at the sides, mounted in platinum.
Weight: 6g