This sterling silver round, reversible, Mother of Pearl Tree of Life Necklace is hand set and hand etched by our jeweler. The mother of pearl on this necklace measures 1" around. Comes with an 18" sterling silver box style chain. In the style of scrimshaw, this art was made popular during the Golden Age of Whaling in the 18th century. Each ring is a one of a kind piece of art, no two are alike. Made to order.