Antique 0.79 Carat Old Cut Diamond Engagement Ring, circa 1920A majestic old mine cut diamond engagement ring. The long cushion shaped old mine cut diamond in the centre graded by IGI as H colour, SI2 clarity is bright, white, and full of fire. The stone is secured by four claws within an open platinum collet, allowing maximum light to pass through the stone. On a slim, grooved 18k yellow gold shank which tapers at the shoulders. Currently size N (UK) or 6 1 2 (US). Free sizing available. Accompanied by a