How to Match a Pair of Colored Gemstones

Matching a pair of coloured stones.

I remember sitting in a cramped grading lab in London, the air smelling of ozone and stale coffee, staring through a loupe at two sapphires that were supposedly “identical twins.” On paper, they were a match; in reality, one had a saturation like a deep, midnight ocean and the other looked like a faded, sun-bleached … Read more

Earring Backs and How Earrings Go Missing

Earring backs and how stones go missing.

I remember sitting in the lab in Bergen, staring through a loupe at a sapphire that looked like the ocean just after a storm—that deep, bruised indigo. I’d spent hours verifying its inclusions, only to have the client call me a week later because the stone had simply vanished from its setting. It wasn’t some … Read more