18ct yellow gold with rose gold heart16 round white diamonds total weight 0. 30cts (G VS+)18ct yellow gold chain total length 50cm The Heritage Yellow Gold Diamond & Turquoise Guilloché Enamel Heart Surprise Locket features turquoise guilloché enamel and round white diamonds, set in 18ct yellow gold. In keeping with its fondness for delight, surprise and discovery, Fabergé has concealed a heart decorated with red enamel inside the locket. The locket is 22mm and comes with a 50cm long 18ct yellow gold chain. The Heritage collection draws inspiration from Fabergés historical masterpieces. Traditional materials and complex traditional techniques, such as the delicate art of guilloché enamelling and hand-engraving, make up the signature elements of this colourful and opulent collection.