Concierge Prodiam replies within four business hours, Mon–Fri. Insured overnight delivery across South Africa.

Concierge house, not a catalog

Selected stones. The bench reaches further.

What you see is a fraction of what is moving through the Procut DCW bench. We source and polish any natural diamond, any shape, any carat, any colour and clarity, certified by GIA or EGL. Most pieces above R 500 000 are presented privately, never published. Tell us what you want and we bring it to the viewing room within days.

De Beers DBCM Emerging Beneficiation Customer since 2019. DDCSA bourse member. SADPMR-licensed. Procut DCW polishes to GIA Excellent / AGS Ideal cut grade. Stones are certified by GIA or EGL.

Sample of 7 stones · not the whole book

A few currently on the bench.

Recent pieces, photographed and ready to view by appointment. The rest of what is moving through the bench, including investment-grade stones above R 500 000, is presented privately. Brief us on what you want and we bring it in.

Stones above 1 carat or above R 500 000 list as “POA” on the public catalogue. Real ZAR pricing is shown on the trade portal once a wholesale account is approved, and quoted privately on request for HNW buyers. Trade application →

Provenance

Each stone’s journey, end to end:

  1. 1 Rough sourced direct from a De Beers DBCM viewing in Johannesburg, or from SA tender houses at Kimberley, Wolmaransstad, Schweizer Reneke, or the State Diamond Trader.
  2. 2 Polished in-house at Procut DCW in Bedfordview to GIA Excellent / AGS Ideal cut grade.
  3. 3 Certified by the GIA. Cert PDF available per stone on request.
  4. 4 Kimberley Process documented from rough to polished. Beneficiation Licence audited under the SA Diamonds Act 1986.
  5. 5 Sold and delivered by Prodiam Trading, either through a trade account or by private viewing in Bedfordview, with full paperwork and insured overnight courier delivery anywhere in South Africa.
  • GIA & EGL certified

    Every loose stone certified by the GIA or EGL. Cert PDF supplied per stone.

  • Insured overnight delivery

    Brink’s, G4S or our nominated jewellery courier across South Africa. Ferrari Group / FedEx Custom Critical international.

  • Same-address GIA verify

    GIA South Africa office is in our building. On-the-spot re-grading on request before settlement.

  • 14-day in-person exchange

    In-person sales at the viewing room come with a 14-day exchange courtesy on stock pieces. Distance-sale CPA cooling-off applies.

Delivery & insurance

Insured. Overnight. Door to door.

  • South Africa

    Insured overnight delivery via Brink’s, G4S, or our nominated jewellery courier. Tracked, signature on receipt.

  • International

    Ferrari Group or FedEx Custom Critical, jewellery-grade insured. 2–5 working days, full customs paperwork prepared.

  • In person

    Hand-delivered by Darren or signed across at the Bedfordview viewing room. Original ID matched at hand-over.

  • Cover

    Insurance is included up to invoice value. Extra cover available on request before dispatch.