Diamond and tourmaline signet ring in 18k white gold. In the center, an oval green tourmaline, also called verdelite, framed by two European old cut diamonds. The three gems are set in a large ring with geometric lines, displaying modernist lines. French vintage signet ring from the 70s.
Owl hallmark
Finger size: 50 EU or 5 US (sizing possible)
Ring head size : 0,7 cm x 1,7 cm
Estimated weight of the tourmaline : 0,75 carat
Estimated weight of the diamonds : 0.17 carat each ; total 0.34 carat