Sterling Silver and 14k Yellow Gold Gold Blue Topaz and Diamond Heart Pendant Necklace (.007 cttw, I-J Color, I2-I3 Clarity), 18" Sterling silver and 14k yellow gold pendant featuring heart-shape blue topaz topped with round diamond 18" Box Chain with Spring Ring clasp 14k yellow gold plated Gemstones may have been treated to improve their appearance or durability and may require special care. Blue Topaz is December's Birthstone Imported