This 925 Sterling Silver Mother of Pearl & Marcasite Heart Shape Pendant is double sided. On the front is the mother of pearl heart with marcasite as the border and on the bail. On the back has broad sterling script with NY in the middle bottom. This is marked 925 with maker symbol and THAI.  This measures: 1 1/4" at widest and 1 1/4" tall to the top of the bail. This weighs 7 grams. Thanks for your interest!!