CVC Stones - Cvc Stones founder Charles de Viel Castel considers the natural beauty and formation of a black and white pebble with this one-of-a-kind Chai necklace. It's crafted in the USA with one flush-set diamond and one bezel-set 0.25ct diamond which are artfully arranged between the irregular stripes, then suspended from a slender 18kt gold chain. Frame it with a deep V-neckline for a free-spirited air.