Frequently Asked Questions
What are lattice diffusion sapphires?

Lattice diffusion is a treatment process that uses heat and chemicals to diffuse an element into a gemstone to artificially change its color. Lattice diffusion treated sapphires can be any color. In some cases the added color is shallow. In others, it goes all the way through the stone.

You Might Also Like

Find a Retailer
learn more
Shop the Campus Store
Learn More
Quality Assurance Benchmarks
Learn More
Gems & Gemology
G&G Fall 2017 Edition
Learn more