This is an authentic DAVID YURMAN 18K Yellow Gold Green Onyx Smoky Quartz Pyrite Signature Multi Strand Necklace. The necklace is crafted of 18 karat yellow gold and features five beaded strands of green onyx, smoky quartz, and faceted pyrite beads. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.