Unique heart earring in 18K gold set with Ro signature diamond: 1 brilliant-cut diamond, total 0.003ct TW.VS. The earring are sold individually. Material: Gold Karat: 18K Stone: Diamond Stone Colour: White Number of Stones: 1 Stone Carat: CT 0.003 Stone Type: TW.VS Stone Shape: Brillant Does it come with certificate? Yes Sold as single