Tiffany & Co. patented the Lucida diamond cut, a mixed-cut style with intense depth. The Lucida diamond ring is reminiscent of the ��90s, when the ring was first introduced. Retails for 18000 USD. In excellent condition and recently polished. Ring size is 5.5 and can be resized at Tiffany's. Comes with Box;GIA Certificate;Tiffany Diamond Certificate. (Out of stock)