This is an authentic DAVID YURMAN Sterling Silver Smoky Quartz Acorn and Pine Cone Charm. The charm is crafted of sterling silver and features a smoky quartz set in an acorn motif with a pine cone charm hanging from a twisted cable motif bail that opens. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.