Vintage ball ring in black gold, pink tourmaline and black and white diamonds

Important ball ring in 18k black gold (750°/°) set with black diamonds on the ring, the eagle's beak claws set with white diamonds hold a cabochon of raspberry pink tourmaline (20 x 17 x 9.5 mm, i.e. approximately 27cts) probably rubellite variety. Contemporary French work from the Leiba Kiecki workshop (LK and an M in dispute). Presence of the eagle's head hallmark for 18 carat gold.

Finger size 51
Gross weight: 22.23 grams