Ring in 18K yellow and white gold with 0.20ct coffee diamond, matte, 3 mm. The Belle rings are our most unique Sandberg rings with their loosely hanging "bells" set with precious stones or diamonds. They are available with one, three, seven or twelve pendants and you can also add more as you go. This one is with 0.20 ct coffee diamond. Material: Gold & Whitegold Karat: 18K Stone: Diamond Stone Carat: 1 x 0.20ct Stone Colour: Coffee Stone Setting: 4 prong Stone Shape: Round Brilliant Ringband: 3 mm Can the piece be engraved? No Does it come with certificate? No