Chopard Happy Diamonds White Gold Elephant Necklace 797688-1001. This necklace is made of 18 carat white gold with a pendant in the shape of an elephant. The elephant is set with four round-cut white diamonds (0.02 carats) with a solitary floating diamond in the middle (0.03 carats). The elephant diamond pendant hangs from an 18 carat white gold cable link chain.