Bonnie, solitaire - Ring in 18K yellow gold with 0,30ct diamond, 3,6 mm. Bonnie solitaire is a medium-high, soft, characterful ring with an exclusive, smart and luxurious feel. Bonnie is available with diamonds in two sizes; 0,30ct and 0,50ct. This is with 0,30ct. Material: Gold Karat: 18K Stone: Diamond Stone Carat: 1 x 0.30ct Stone Colour: White Stone Setting: 4 prong Stone Shape: Round Brilliant Ringband: 3,6 mm. Can the piece be engraved? Yes Does it come with certificate? Yes