From rough at the mine to a polished piece on the bench.
KGK works vertically from the mine downward. Rough diamonds and colored stones are sourced direct from audited mines, sorted and graded at our offices, cut and polished in-house, then either released to the trade as loose stones or set into finished jewelry by our manufacturing teams.
Every step is documented; every parcel carries chain-of-custody papers; every finished piece is signed off by a KGK gemologist.
The most successful businesses are built on a foundation of reliable supply, institutional expertise, and a partner who understands every part of the trade as well as you do.
KGK One is built to deliver exactly that. One fully integrated partner across every category your business needs, backed by 120 years of expertise and operations across 15 countries. The supply chain infrastructure your business has been looking for.
Your own trade specialist, ready when you need them.
A global network built to deliver wherever your business operates.
Responsible sourcing and full transparency across every category.