2.15ct Tourmaline Bicolor Green Orange oval cut 8x6mm
Tourmaline, Bi-Color Pair, 6.71ctw, Brazil -
Bicolor Tourmaline Starbrite™ Cut 11.77 carats | John Dyer Gems
Lavish Bicolor Tourmaline Gemstone 11.82 Carats Tourmaline Ring Faceted Stone at 1stDibs | tomoline stones, black tourmaline price per carat, tourmaline bicolore