999 gold. The chain inside the disco ball is a 999 gold bracelet, with a geometric ball flashing, a small square ball and a diamond ball glittering. The gold laser ball bracelet is about 3.56g This gold necklace includes 999 pure gold and 18K gold. Jumping Judy is a jewelry product of Chow Tai Fook Jewelry Group Co., Ltd., which is real gold. Chow Tai Fook Jewelry Group Co., Ltd. was established on August 5, 20 17, mainly engaged in jewelry inlay, platinum and gold products, gold products, watches and clocks and other products.