This is an authentic DAVID YURMAN 18K Yellow Gold Diamond Small Supernova Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a supernova star motif pendant accented with round and baguette cut diamonds, approximately .17 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.