Baby Vine Tendril Ring 9kt yellow gold 0,5 g and silver g 1,4 with Cherry Chocolat enamel and drop cut rock crystal ct. 0,75. Material: Gold Karat: 9K Stone: Crystal Stone Colour: White Number of Stones: 1 Stone Carat: 0,75 Stone Shape: Marquise Stone Setting Type: 4 prong Available sizes: 48,50,52,54,56 Does it come with certificate? No Can the piece be engraved? No