14 k gold plated necklaces are 925 sterling silver at the base, and come with a 14 k gold plated 18" sterling silver box chain and a premium floating jewelry box. They are the premium pendant to feature your beautiful pearl. The spiral pendant is one of the few pendants that can hold twins inside of it. It is the safest pendant to purchase if you would like to hold both pearls inside your pendant. Pearl is not included.