Their Tiny Diamond Star Necklace in 18K Gold is the perfect accessory to add some magic and sparkle to any outfit. Material: Gold Karat: 18K Stone: Diamond Stone Colour: White Number of Stones: 9 Stone Carat: 0.14cts Stone Type: VS SI Stone Shape: Round Dimensions: Length: 40cm Does it come with certificate? No Can the piece be engraved? No