Men's Sterling Silver Cubic Zirconia Surround Heart Locket On A Black Leather Cord Necklace. Sterling silver cubic zirconia surround heart locket. Locket Height 15mm x Width 15mm. This locket will be supplied on a black leather cord necklace. The necklace will come to you in a black leatherette gift box and an Amandas Silver Boutique jewellery polishing cloth. For more great products please take a look at our shop!