Name: XL Lab Grown Diamond Emerald Bezel Necklace Short: The most precious, for the most precious. Long: Sitting brilliantly on our classic 1.5mm diamond cut cable chain, adjustable from 15" to 18", our XL Lab Grown Diamond Emerald Bezel Necklace is a stunner. Sitting at .5tcw, this 6x4mm bezel set diamond is an instant classic.