Origins & Provenance

"Ceylon sapphire" is still the trade term for fine Sri Lankan sapphire, decades after the country's name changed. Here's why the term persists, what actually sets Sri Lankan sapphire apart, and what to check before you buy one.

Not all Colombian emeralds look the same, and not all Colombian emeralds come from the same place. Here's what actually separates a Muzo stone from a Chivor stone, how oiling affects what you're buying, and how to verify an origin claim before you pay for it.