Light Pink Enamel with 9kt Rose Gold g 0,4 and Silver g 2,30 with Marquise Cut Rock Crystal ct. 0,48 Material: Rosegold 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: 50,52 Does it come with certificate? No Can the piece be engraved? No