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.<\/p>

Send Us a Message

  • Quick Response

    We reply within 1 business day<\/p>

  • Diamond Experts

    25+ years in the diamond industry<\/p>

  • Industry Members

    DDC SA & World Federation of Diamond Bourses<\/p>
Visit · Johannesburg

Come and see the diamonds for yourself.

  • 📍Knox Safes
    1 River Street
    Houghton Estate
    Johannesburg, South Africa
  • 📞+27 82 551 2103 — David
  • 🕐By appointment only
Get Directions → Call David

Diagem Diamonds CC · Knox Safes, 1 River Street, Houghton Estate, Johannesburg · By appointment only