Classic mid-century lady ring. It features has Navarette design, prong setting twenty (20) 3.0mm round Blue Sapphire, adorns one Round Brilliant Diamond in the center, approx. 0.11ct, G/VS2; Combine total weight of the stone 2.3ct. Ring top is 28.0 x 11.6mm, weight 5.9gm, size 5.75 (resizable), hallmark 585