Will sapphire pass the diamond tester?

They would not because they do not have a high enough thermal conductivity.

They would not because they do not have a high enough thermal conductivity.

By Peter Norman

Peter Norman is one of Los Angeles’ most celebrated wedding jewelers, with his custom-made engagement rings and wedding bands taking center place in thousands of weddings over the last 40 years. Each engagement ring is custom designed, built to order, and can suit any budget: from the simply elegant 1-carat solitaires to the exquisite pieces fit for (and sometimes purchased by) royalty.