Discerning diamond buyers worldwide seeking natural, ethical diamonds trust KGK and understand our advantages:

Integrated supply pipeline

To ensure complete supply chain control, KGK only carry natural diamonds and track each stone from rough to finished product.


KGK began distributing diamonds in 1969 and has manufactured finished diamonds since 1986. Our global diamond operations are based in Antwerp.

Quality and choice

We carry an exceptional range of natural colourless and coloured stones in every popular size, shade and shape.

Diamonds direct from source

Our diamond buyers have long experience in evaluating and grading uncut stones. Their impeccable judgement has a positive effect throughout our value chain. Our natural, ethical stones are processed in KGK manufacturing units in:

  • Angola
  • Botswana
  • India
  • Namibia
  • South Africa

Diamond production innovation

In pursuit of superior products KGK continually explores and apply new innovations to our diamond production process, including:

DiaMark laser marking

Provenance for every stone.

Galaxy diamond mapping

Advanced inclusion mapping technology for rough diamonds.

Water jet laser cutting

State-of-the-art stone cutting.

The volumes we process translate into efficiencies of scale that delivers advantages throughout the value cycle.


Efficient distribution network

The KGK Group operates a sophisticated secure global distribution infrastructure brings our wholesale diamonds to:

  • Belgium
  • China
  • Chinese Taiwan
  • Hong Kong SAR
  • India
  • Japan
  • Namibia
  • South Africa
  • South East Asia
  • Switzerland
  • Thailand
  • UAE
  • USA

KGK has a significant presence at many of the world’s leading diamond and jewellery trade events.

Contact KGK for diamonds