in 18k yellow gold, set with a central navette-cut diamond surrounded by square-cut rubies and brilliant-cut diamondsN. 01 navette-shaped diamond, brilliant cut, estimated weight approx. 0.30 ct, colour H-I, clarity VS and n. 25 round-shaped diamonds, brilliant cut, estimated weight approx. 0.20 ct, colour H-I, clarity VS-SI. Hallmarked "8k". IT size 17 – US size 8. Weight 3.3 g.