Contact Diagem Diamonds

Have a question about a certified diamond, need help choosing the right stone, or want to discuss a purchase? Our team of experienced diamond specialists is here to help. We typically respond within 1 business day.

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Diagem Diamonds

Knox Building
1 River Street
Houghton Estate
Johannesburg, 2196
South Africa

📞 011 334 0187

Mon–Fri 09:00–16:00

  • Quick Response

    We reply within 1 business day

  • Diamond Experts

    25+ years in the diamond industry

  • Industry Members

    DDC SA & World Federation of Diamond Bourses