A Blonde and Her Bag Yuliya Necklace Hammered in Black Onyx. The Yuliya collection is named for jewelry designer Yuliya, whose European sensibility inspired these simple yet elegant designs. A silver necklace with an elegant hand-hammered silver hoop and a hand-wrapped Black Onyx stone. Size - 16" Chain with 1 1/4" Drop Hypoallergenic This product is made of metal alloy (silver and copper and other metal alloy) with high quality plating (It will last for a long time without tarnish). Handmade with love in Sausalito, California