Centering on a rectangular cut blueish green tourmaline within a diamond set platinum mounting , retrofitted with a white gold FINGERMATE hinged shank

Metal: Platinum, 14k white gold
Diamonds: 6 baguette cuts with total approximate weight of 0.30 carat
Tourmaline: One rectangular cut measuring approximately 13.4 x 11.3 x 7 mm 

Tourmaline and Diamond Ring