Italian designer Roberto Coin Cocktail Collection; Smokey Quartz Pendant Necklace.

This 18k Rose gold necklace features a large smoky quartz oval cabochon, set over a tablet of mother of pearl and surrounded by a halo of white diamonds at .80 carats total weight. The necklace is finished on the back with Roberto Coin's signature Ruby accents and completed by a heavy 17" rose gold cable chain with a lobster clasp.