An 18ct two tone gold diamond and sapphire ring, centring a round brilliant cut diamond of approx. 0.20ct in a white gold collet mount to a crescent of 5 round cut blue sapphires, within a yellow gold wrap around surround set and 18 old European and old mine cut diamonds totalling approx 0.64ct, size at top 16 x 18 mm, size P, wt. 7.21g.