David Yurman Smokey Quartz earrings. These earrings have a checkerboard fancy cut Smokey quartz measuring 12mm set in an 18 Karat Yellow Gold bezel. There are Round Brilliant cut diamonds pave set in a halo pattern weighing .72 carats total weight. These are lever back for a clip-on earring. A post can easily be added for those with pierced ears.