I adore tourmaline, and feel it is often hugely underrated. 
This pearshaped stone shows flashes of bluish green as well as a springy yellowish green. 
It is set with a millegrain surround, typical of the early 20th century. 
We have converted this from a stick pin, adding a recycled gold 5mm jump ring. 
Stamped and tested as 14ct gold 
Weight approx 0.87g
Total drop approx 23mm
Width approx 8mm
Excellent antique condition