The Prism pendant is made in 10-karat solid gold, and is set with a 0,03 carat brilliant-cut Black Diamond. The pendant belongs to the Rainbow collection, designed to create colourful combinations of tourmalines, baroque pearls, and diamonds. Material: Gold Karat: 10K Stone: Black diamond Stone Carat:0,03 Stone Setting: 4 Prong Stone Shape: Brilliant Dimensions: Length: 7 mm Does it come with certificate?: Yes Can the piece be engraved? No