Baby Vine Tendril Ring 9kt Yellow Gold (0,4g) and Silver (2,65g) with Pistacchio Enamel and Marquise Cut Topaz ct. 0,68 Material: Gold Karat: 9K Stone: Topaz Stone Colour: Blue Number of Stones: 1 Stone Carat: 0,68 Stone Shape: Marquise Stone Setting Type: 4 prong Available sizes: 50,54,56 Does it come with certificate? No Can the piece be engraved? No