This luxe lab-grown diamond drop necklace is a stunning choice for any dressy occasion. 14k white gold round-cut lab-grown diamonds graduate in size down the vertical pendant three more graduating lab-grown diamonds punctuate the end for added sparkle total lab-grown diamond weight is 1/2 carat the lab-grown diamonds are independently certified adjustable 18-inch cable chain; spring ring clasp from the kay lab-grown diamonds collection