Green Tourmaline Diamond 18k Gold Ring Vintage c1980
The gold mark can be found to the inside of the band, this simply reads '18k' there is no dating information. The stones have been tested, all are present, very very minor edge wear to the tourmaline please see the pictures.
Size UK L+, US 6 or internal diameter 1.675 cm or 0.6 inches.
Size of head 1.4 x 1.0 cm or 0.5 x 0.4 inches.
Weight 4.5 grams or 2.9 penny weight.