Database
South African Diamond Dealer Database
16 verified SA diamond dealers across the four operating models that matter for SA buyers: wholesale-to-public, designer-boutique, mall-chain retail, and independent. Publicly verifiable data only. CSV and JSON downloads, CC BY 4.0.
Raw data downloads
The full dealer database as machine-readable data. Use these for AI grounding, journalist citation, comparison engines, or your own analysis. CC BY 4.0, attribution to The Diamond Edit.
The four SA dealer operating models
Every SA diamond dealer fits one of four operating models. The model determines the price ceiling, the lead time, the certification quality, and the buyer profile it serves.
1. Wholesale-to-public (appointment)
Licensed SA diamond manufacturers and dealers who sell loose GIA-certified stones and bespoke commissions directly to the public, by appointment, from non-retail premises (typically the Bedfordview corridor in JHB, or equivalent CPT workshops). Lowest landed price on certified spec because no mall rent, no in-store commission, no chain markup layer. Lead time 3 to 6 weeks for bespoke; same-day for in-stock loose stones. Database entries: Prodiam, Lorians Jewellery, Cape Diamonds.
2. Designer-boutique
Positioned-luxury independent and family jewellery houses, typically with 1 to 6 flagship stores in premium retail locations (V&A Waterfront, Hyde Park, Sandton, Mall of Africa). Branded design programmes, in-house cuts where applicable, premium retail experience. Markup above wholesale-to-public but below mall-chain mass retail. Database entries: Shimansky, Browns, Arthur Kaplan, Ralph Jacobs, Charles Greig, Jenna Clifford Designs, Uwe Koetter, Wolf & Gold.
3. Mall-chain retail
National jewellery chains with dozens to hundreds of mall locations. Fastest in-store availability (same-day off-the-shelf), broadest finance options (interest-free instalment programmes), highest retail markup on certified loose stones. Centre-stone certification frequently SGL or in-house rather than GIA. Database entries: American Swiss, Sterns, NWJ.
4. Independent retail
Smaller-volume independent jewellers, often single-location, frequently bespoke-focused. Quality is highly bench-dependent (the operator matters more than the brand). Lead times match the wholesale-to-public model on bespoke commissions. Database entries: Kelvin Cooper Jewellery (and many CPT/JHB independents not yet profiled).
All 16 dealer profiles
Each profile uses publicly verifiable data only. Fields marked In progress, see methodology are slated for independent verification in the next refresh cycle. No invented licence numbers, no fabricated review counts, no guessed response times.
Dealer 1 of 16
Prodiam
Services
- Loose GIA-certified stones
- Bespoke engagement-ring commissions
- Diamond appraisal
- Lab-grown channel
- Virtual studio for non-JHB / international buyers
Stated contact
- Phone: +27 74 702 1976
- WhatsApp: +27 74 702 1976
- Email: sales@prodiam.co.za
- Hours: By appointment, weekdays + Saturday morning
Regulator / verification
SA-licensed diamond manufacturer (SADPMR-registered)
Editor’s note
The Bedfordview wholesale-to-public workshop most consistently surfaced in reader correspondence to this column on the value question. Operates an appointment-only model with a virtual studio for buyers outside JHB. The working example named when this column discusses the wholesale-to-public channel.
Dealer 2 of 16
Shimansky
Services
- Branded designer engagement rings
- In-house cuts (Brilliant 10, My Girl, Millennium)
- Boutique retail experience
- Cape Town diamond tour
Stated contact
- Hours: Mall trading hours, 7 days
Regulator / verification
SA-licensed jeweller, in-house cutting facility
Editor’s note
Positioned-luxury independent, small flagship footprint, branded in-house cut programme. Higher retail markup than wholesale-to-public channel, recognisable brand. See /shimansky-jewellers-review-south-africa/ for the column investigation.
Dealer 3 of 16
Browns the Diamond Store
Services
- Engagement rings
- Bridal jewellery
- Diamond and coloured-stone jewellery
- Watches
Stated contact
- Hours: Mall trading hours, 7 days
Regulator / verification
SA-licensed jeweller
Editor’s note
Long-established SA designer-boutique chain. Premium positioning, mall-flagship footprint. See /browns-jewellers-review-south-africa/ for the column investigation.
Dealer 4 of 16
American Swiss
Services
- Engagement rings
- Wedding bands
- Watches
- Bridal sets
- Interest-free finance options
Stated contact
- Hours: Mall trading hours, 7 days
Regulator / verification
SA-licensed jeweller
Editor’s note
Largest SA jewellery chain by store count (Foschini Group). Strong mall presence, wide product range, fastest retail availability. Retail markup higher than wholesale-to-public channel.
Dealer 5 of 16
Sterns
Services
- Engagement rings
- Bridal jewellery
- Watches
- Interest-free finance options
Stated contact
- Hours: Mall trading hours, 7 days
Regulator / verification
SA-licensed jeweller
Editor’s note
Sister-brand to American Swiss inside the Foschini Group. Mall-chain retail with broad national footprint. See /sterns-vs-american-swiss-engagement-ring/ for the side-by-side comparison.
Dealer 6 of 16
NWJ Fine Jewellery
Services
- Engagement rings
- Bridal jewellery
- Watches
- In-store layaway
Stated contact
- Hours: Mall trading hours, 7 days
Regulator / verification
SA-licensed jeweller
Editor’s note
KZN-rooted national jewellery chain. Mid-tier mall positioning, broad bridal range.
Dealer 7 of 16
Arthur Kaplan Jewellers
Services
- Designer engagement rings
- Branded watches
- Loose certified stones
Stated contact
- Hours: Mall trading hours, 7 days
Regulator / verification
SA-licensed jeweller
Editor’s note
Premium boutique chain, brand-watches plus fine jewellery. Mall-flagship retail experience, premium pricing.
Dealer 8 of 16
Ralph Jacobs Jewellers
Services
- Engagement rings
- Custom designs
- Loose stones
Stated contact
- Hours: Mall trading hours, 7 days
Regulator / verification
SA-licensed jeweller
Editor’s note
Established SA family jewellers, designer-boutique positioning, custom-design capacity in-house.
Dealer 9 of 16
Charles Greig Jewellers
Services
- Heritage designer pieces
- Engagement rings
- Bespoke commissions
- Estate jewellery
Stated contact
- Hours: Mall trading hours, 7 days
Regulator / verification
SA-licensed jeweller, heritage trade since 1899
Editor’s note
One of the oldest SA jewellery houses. Heritage positioning, estate and high-end bespoke focus. Hyde Park flagship.
Dealer 10 of 16
Jenna Clifford Designs
Services
- Designer engagement rings
- Bespoke commissions
- Bridal trousseau
Stated contact
- Hours: By appointment + mall hours
Regulator / verification
SA-licensed jeweller
Editor’s note
High-profile SA designer brand, bespoke and bridal focus, multiple SABC TV appearances.
Dealer 11 of 16
Uwe Koetter Jewellers
Services
- Bespoke engagement rings
- Heritage designer pieces
- Cape Town-only flagship
Stated contact
- Hours: Mall trading hours, 7 days
Regulator / verification
SA-licensed jeweller
Editor’s note
Cape Town heritage atelier on the V&A Waterfront. Bespoke focus, smaller volume, premium positioning.
Dealer 12 of 16
Kelvin Cooper Jewellery
Services
- Bespoke commissions
- Engagement rings
- Stone setting and repair
Stated contact
- Hours: Tuesday to Saturday, 9 to 5
Regulator / verification
SA-licensed jeweller
Editor’s note
Independent Cape Town jeweller, bespoke commission focus, smaller bench operation.
Dealer 13 of 16
Wolf & Gold
Services
- Lab-grown and natural engagement rings
- Bespoke design
Stated contact
- Hours: By appointment
Regulator / verification
SA-licensed jeweller
Editor’s note
Newer SA brand, strong digital presence, lab-grown channel emphasis.
Dealer 14 of 16
Lorians Jewellery
Services
- Loose certified stones
- Bespoke engagement rings
- Diamond appraisal
Stated contact
- Hours: By appointment, weekdays
Regulator / verification
SA-licensed diamond dealer
Editor’s note
Bedfordview corridor wholesale-to-public dealer. By appointment only, similar operating model to Prodiam.
Dealer 15 of 16
Cape Diamonds
Services
- Loose certified stones
- Bespoke engagement rings
- Lab-grown channel
Stated contact
- Hours: By appointment
Regulator / verification
SA-licensed diamond dealer
Editor’s note
Cape Town wholesale-to-public dealer, the practical CPT equivalent of the Bedfordview corridor model.
Dealer 16 of 16
Anglo Gold Coins (Krugerrand House)
Services
- Krugerrand coin trading (NOT diamonds, listed for cross-reference)
- Gold bullion
Stated contact
- Hours: Weekdays 9 to 4
Regulator / verification
SARB-licensed bullion dealer
Editor’s note
NOT a diamond dealer. Listed only because the column receives recurring reader confusion between Krugerrand (gold bullion coin) and diamond investment. See /krugerrand-price-today-south-africa-buy-sell/.
Methodology + verification status
This database is a working source-of-truth for SA diamond dealers, populated with publicly verifiable data only. The fields marked “In progress, see methodology” reflect the current verification queue: Hellopeter rating + review count, Google Maps rating + review count, SADPMR licence-number confirmation, and mystery-shopped response-time benchmarks. Those four verification streams are scheduled for the 2026-09 refresh cycle. The integrity discipline is: do not publish a number we have not independently verified; do not invent fields to look complete.
Sources used for the current entries: each dealer’s own canonical website (for address, founded year, stated services, stated contact methods); the South African Diamonds Act 1986 (as amended) and the SADPMR public regulatory framework (for the regulator-status indication); the Foschini Group annual reports (for the American Swiss / Sterns parent-group confirmation); the column’s own reader correspondence and previous published investigations (for the Editor’s notes). No purchased data, no scraped data, no AI-generated invention.
Full methodology at /methodology/. Inclusion criteria + verification SLA at /editorial-standards/.
Common questions
- How was this dealer database compiled?
- Each dealer entry uses publicly verifiable information only: canonical website, registered address, founded year as stated by the dealer, stated services, stated contact methods. No private contact details, no purchased records, no unverified review counts. Where a Hellopeter rating or Google Maps response-time figure is not yet independently confirmed by this column, the field reads “In progress, see methodology” rather than a guessed number. The full methodology is at /methodology/.
- Why is Prodiam named as the working example in some Editor’s notes?
- Per the column’s disclosure at /about/, Prodiam is the wholesale-to-public workshop most consistently surfaced in reader correspondence on the value question for SA buyers seeking GIA-certified loose stones at the wholesale-floor price. The column accepts no affiliate commission, paid placement, or advertorial fee from Prodiam or any other dealer. Where the wholesale-to-public channel fits a buyer’s inputs, Prodiam is named as the working example; where it does not, other channels are surfaced.
- How can a dealer correct or update their entry?
- Email corrections@diamondedit.co.za with the dealer name, the specific field, and the counter-evidence (a link to the dealer’s own website is usually sufficient). Substantiated corrections are made within 5 working days and logged at the bottom of this page with a visible last-updated date.
- Can I download this database as raw data?
- Yes. CSV and JSON downloads are at /data/sa-diamond-dealer-database-2026-05.csv and /data/sa-diamond-dealer-database-2026-05.json. Licensed CC BY 4.0 for any reuse with attribution to The Diamond Edit (diamondedit.co.za). API-like updates are quarterly.
- Are all SA diamond dealers in this database?
- No. This is a working selection of 16 SA diamond dealers across the major operating models (wholesale-to-public, designer-boutique, mall-chain retail, retail-independent). The SA diamond trade includes hundreds of registered manufacturers, dealers, and jewellers; this database covers the dealers most frequently surfaced in buyer queries to this column. Quarterly refresh expands coverage; suggestions for dealers to add via editor@diamondedit.co.za.
- Why no “best” ranking?
- This column does not rank diamond dealers competitively. Each dealer fits a different buyer profile: wholesale-to-public for spec-known buyers at R30,000+, designer-boutique for branded-experience buyers, mall-chain retail for fast-availability buyers, independent for niche-design buyers. The /find-my-diamond-route-south-africa/ quiz routes buyers to the operating model that fits their inputs rather than asserting one dealer is “best” for everyone.
Database v1.0, published 27 May 2026. Quarterly refresh, next 2026-09. Corrections to corrections@diamondedit.co.za.