Previously-owned Scott Kay Luminaire Halo Collection semi-mounting. The semi-mounting is a size 6 (US), made of 14K white gold, and weighs 4.30 DWT (approx. 6.69 grams). It also has 30 round G-color, VS-clarity diamonds weighing 0.34 CTTW. It is set up for a approximate 1ct round diamond.