green diamonds are distinguished by their vivid coloration and the extraordinary conditions that create them. Unlike other colorful diamonds, their vibrant tones come from exposure to natural ...

It is easy to irradiate objects, so green diamonds are produced synthetically too. Sorting a natural example from one produced in a lab is not always possible.' Naturally coloured red diamonds are ...

Laid out like an orchestra in a quiet gallery room, 40 colorful gems have one of the planet’s most distinguished conductors: ...