Bagues ébauches ovales en argent, 3-20 mm, serti bague, 3 x 5 mm 4 x 6 mm 5 x 7 mm 6 x 8 mm 7 x 9 mm 8 x 10 mm 8 x 11 mm 9 x 11 mm 10 x 11 mm 10 x 13