Aqua Poseidon Ring18k yellow gold vermeil with laboratory grown and created gemstones including sky blue spinel, emeralds, turquoise and simulated white diamonds A stunning cocktail ring in 18k yellow gold vermeil, featuring natural turquoise cabochons, hand set with an array of laboratory grown and created gemstones including a central aquamarine, with marquise, trillion and round brilliant cut emeralds, sky blue spinels and simulated white diamonds. Hand crafted in