Colombian Emerald and Natural White Zircon Halo Ring in Vermeil YG on sterl silv

Beatuiful hand set Boyaca Colombian Emerald and Natural White Zircon Halo Ring in Vermeil Yellow Gold Over Sterling Silver 1.30 ctw, sz. 9.5, makes a nice promise or engagement ring. "Colombian emeralds are commonly the most costly per carat/Ratti then Brazilian emerald and Zambian emerald. They are the most adorned for their quality. Colombian emerald stone cost around 15000 INR per ratti or 24000 INR per Carat. Brazilian emerald stone cost around 2525 INR per ratti or 4050 INR per Carat. Zambian emerald stone cost around 1325 INR per ratti or 2150 INR per Carat."