This is an authentic DAVID YURMAN 18k Yellow Gold Diamond Infinity Necklace. This stunning collar length necklace is 18 karat gold with three “infinity†gold settings for a sizable pavé diamond. This is a marvelous necklace with a look of distinction only from David Yurman! Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.