Trinidad and Tobago Emerald Diamond White Gold Engagement Ring 191

Trinidad and Tobago Emerald Diamond White Gold Engagement Ring.   

By Farzana Aamir 

Other liquids, including synthetic oils and polymers with refractive indexes close to that of emerald such as Opticon, are also used. These treatments are typically applied in a vacuum chamber under mild heat, to open the pores of the stone and allow the fracture-filling agent to be absorbed more effectively