The Heritage Yellow Gold & White gold Diamond & Green Guilloché Enamel Heart Surprise Locket features Green guilloché enamel and round white diamonds, set in 18 karat yellow gold. In keeping with its fondness for delight, surprise and discovery, Fabergé has concealed a White Gold Butterfly decorated with Blue Enamel inside the locket. The locket is 22mm and comes with a 50cm long 18 karat yellow gold chain. The Heritage collection draws inspiration from Fabergé's 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.