Metal and gem promotion
The Diamond Collective
Promotes natural diamonds; the Natural Diamond Council's public name since 2026
The Diamond Collective is the public name, since 2026, of the Natural Diamond Council, which promotes natural diamonds on behalf of major diamond producers.
What it does
Runs consumer campaigns and content about natural diamonds and their origins.
Why it matters to you
Its materials help explain natural diamonds to customers; it represents producers, not the whole trade.
Places and institutions, not businesses: JewelLoop does not rank, recommend or endorse anyone listed. Hours and contacts change, so check with them before you travel or apply.