0.18 Carat Diamond Half Eternity, 18k Gold & Platinum, size MA beautiful vintage style half eternity ring. The top of the ring holds 24 high white, bright and internally clean round brilliant cut diamonds in platinum cut down settings, with the lower half in smooth 18k yellow gold. Very slim at just 1. 75mm and with a low profile, making this an ideal stacking ring or wedding band. Size M (UK) or 6 (US). Cannot be resized. Item # 314314S118 S118