14ct White Gold Green Tourmaline & Diamond Ring. A large rectangular tourmaline, end with 3 round brilliant cut diamonds to triangular setting to each end and further one to each shoulder. Accompanied with GSL I.D #Gem080222/10 natural green tourmaline 9.82ct. Diamond (10) total weight 0.22ct. (W6.9g) Estimate $2,000-4,000