Buying guidance, treatment and certification explained, colour and origin notes, and market commentary — written for dealers and jewellers sourcing sapphires.
GIA, SSEF, Gübelin, GRS, AGL — what each sapphire laboratory report tells you, when certification is worth the cost, and how origin and treatment calls actually get made.
Teal sapphire has become one of the most in-demand colours in bridal design. How to judge the blue-green balance, why zoning matters, and what to expect on treatment and price.
Heat treatment is legitimate and widespread — the real issue is disclosure. A practical guide to heated and unheated sapphires, price impact, and how to verify treatment before you buy.