Unisex jewellery! An entire piece of the sterling silver ring! The stackable square ring has a distinct presence in its bold simplicity and elegance. A clean geometric ring design inspired by and designed for the modern soul. See here for the bold-look square rings. It has 2 variations_sterling silver & gold vermeil. The preset ring is Size 6.5 and has an opening; you can adjust the width. The primary material of this product is solid silver, with a thick layer of 18k gold plating (which is gold vermeil) in vacuum plating technology. It will not discolour.