Important ring in yellow gold 750 thousandths, set with a pink tourmaline approx. 12.60 ct, shouldered by two lines of eighteen modern brilliant-cut brown diamonds. French work from the 1980s. Tourmaline size: 17 x 13 x 9.8 mm Total estimated diamond weight: 0.20 ct Finger: 51.5 - Gross weight: 14.9 g