This necklace contains a 637-carat masterpiece worth $55 million named the world’s most expensive necklace in 2013. It features a 407-carat large step-cut yellow gem set on an 18K rose gold; its chain is paved with 35 round cut bright diamonds, 27 pieces of beautifully cut pear diamonds, and 9 charming heart cut diamonds. There’s more, 4 oval cut, 3 Asscher-cut, five cushion cut, and five emerald cuts diamonds are also set on the necklace.

L’Incomparable Diamond Neckpiece