Lab-Grown Bezel-Set Round Diamond Solitaire Pendant. Crafted in 18ct yellow gold, this pendant is both stylish and elegant. The bezel-set lab-grown diamond draws attention with its remarkable brilliance and appears as if it is floating on the chain. And buy this 1 Ct Lab-Grown Diamond Solitaire Pendant With 18-Inch Gold Chain at Just £1600 + Guaranteed Delivery By Christmas + Free Express Shipping.