Edwardian 0.57ct Old European cut diamond solitaire ring

Edwardian 0.57ct Old European cut diamond solitaire ring in platinum and 18kt yellow gold. Centred with a 0.57ct cushion shape old European cut diamond in a platinum claw setting, to an elegant single stone design with pierced collet, curving claws and flanked to either side with raised platinum shoulders which terminate to a solid shank. Marked platinum and 18kt gold.