ProDiam vs Charles Greig: South African Diamond Dealer Comparison (2026)

At a glance

ProDiam: modern wholesale

ProDiam Trading is a 25-year-old Bedfordview wholesale dealer. They source rough from local SA mines, manufacture to GIA ideal-cut spec in-house, and sell at wholesale margin. The buyer experience is technical and the price is the lowest in the country on a like-for-like GIA-certified stone.

Charles Greig: heritage and estate

Charles Greig has operated as a family jeweller since 1899. Their primary location is Hyde Park Corner (Shop U34, Middle Mall) with a V&A Waterfront secondary presence. They are the official Rolex agent at both. Charles Greig's positioning is heritage: estate stones, family-archive settings, fine timepieces. The buying experience is unhurried and trades on relationship.

Where ProDiam wins

Price on current stones. 40 to 50 per cent below Charles Greig retail on a like-for-like new GIA-certified stone.

3EX ideal-cut focus. Tight specification window for current round brilliants.

Modern bespoke. In-house workshop at wholesale margin.

Where Charles Greig wins

Estate stone depth. A century-plus of trade history means Charles Greig has access to estate stones (with their own provenance) that ProDiam, being a manufacturer of new stones, simply cannot offer.

Heritage settings. The family archive of designs, particularly Edwardian and Art Deco, is genuinely distinctive.

Fine watches. Official Rolex agent. Buyers wanting a Rolex alongside a diamond are well served at Charles Greig.

Provenance documentation. Estate-stone provenance is part of the buy at Charles Greig in a way it isn't at modern wholesale.

Price comparison: typical scenarios

New 1ct G/VS1 3EX in platinum: ProDiam R75-95k, Charles Greig R140-200k.

Estate 1ct stone with documented provenance and Edwardian setting: Only at Charles Greig, typically R150-300k depending on history.

Setting reset of inherited stone: Both handle this. ProDiam at wholesale workshop margin, Charles Greig at heritage-retail margin.

When each is the right choice

Charles Greig is the right choice for buyers who want a stone with documented history, an estate setting, or a Rolex alongside the diamond. ProDiam cannot compete on these dimensions because it is a modern wholesaler, not a heritage retailer with a century-plus archive.

ProDiam is the right choice for buyers buying a current GIA-certified stone at the best Rand price. Charles Greig cannot compete on price-per-carat for current stones.

Verdict

For estate or heritage settings: Charles Greig. Genuinely distinctive and not replicable elsewhere.

For modern GIA-certified round brilliant at best price: ProDiam.

For a Rolex with diamond: Charles Greig. Official agent.

For setting reset of inherited stone: either, depending on tone preference. ProDiam is cheaper; Charles Greig is more heritage-aligned.

What Industry Experts Say

"When buying diamonds in South Africa, always insist on GIA certification and verify the dealer's membership with the Diamond Dealers Club. These two checks eliminate 90% of the risk."

"The GIA Ideal Cut is the highest cut grade available. It maximises light performance: brilliance, fire, and scintillation. Consumers should treat it as the benchmark when comparing dealers."

"South Africa remains one of the world's premier diamond origins. Buying directly from a local manufacturer who sources and polishes in-house gives you the best possible prices and quality, typically 30 to 40 per cent below retail."

Frequently Asked Questions