1/3 Ctw 3-Stone Lovebright Round Cut Diamond Necklace in 14K Yellow and White Gold Even the simplest of Lovebright diamond necklaces offer elegance, and this one is no exception to it. A triple circular mount necklace, with a large mount in the center flanked by a smaller circular mount on either side, is seen featured here. A 1/20 ct round cut diamond sits in the center on the large mount, while 8 round diamonds surround it. Similarly, a 1/20 ct round diamond each decorates the center of the two smaller mounts, and is each haloed by 8 diamonds. All diamonds are invisible sets. A lobster lock and an 18-inch cat chain are attached to the necklace. The necklace is styled in 14-karat yellow and white gold. Total diamond weight is 1/3 Ctw.