
Manufacturer of rare, high-quality polished diamonds and high-end jewellery with manufacturing in Botswana, South Africa, Namibia and New York
Diacore
Gaborone (Botswana) · Johannesburg (South Africa) · Windhoek (Namibia) · New York (USA)New on Amplifa
About Diacore
Diacore is a multinational company with diversified interests in the diamond industry that sources rough diamonds and processes them into polished diamonds and unique high-end jewellery. The group includes manufacturing-linked trading companies and pure trading companies, supplying customers worldwide, including auction houses and luxury brands. The value chain encompasses the cutting and polishing of diamonds, marketing, retail of diamonds and diamond jewellery as well as high-end jewellery services; the manufacture of a perfect diamond from its rough state sometimes requires several months to years of planning. Notable works include the De Beers Millennium Star (203.04 ct) and the Pink Star (59.60 ct, flawless fancy vivid pink). The manufacturing sites are located in Botswana, South Africa, Namibia and New York; in addition, the entity Diacore DMCC exists in the UAE. Diacore sources diamonds in accordance with the Kimberley Process, OECD Guidance and its own Responsible Sourcing Policy.
- Site
- Gaborone
- Processes
- Diamond cutting/polishing (Diamond Manufacturing), Diamond cutting/polishing, Marketing, Retail of diamonds/diamond jewellery, High-end jewellery services, Processing of rough diamonds into polished diamonds
- Materials
- Diamond, 18-karat white gold
- Certificates
- Kimberley Process conformity, OECD Guidance (due diligence), Responsible Sourcing Policy, ISO 9001
- Industries
- Diamond industry, Luxury goods/jewellers, Auction houses
- 01
Sourcing of rough diamonds (sourcing per Kimberley Process and OECD Guidance)
- 02
Cut planning
- 03
Cutting and polishing
- 04
Marketing
- 05
Retail of diamonds and diamond jewellery
- 06
High-end jewellery services
Materials and Processes
Diamond
Rough diamonds are cut and polished into polished diamonds.
18-karat white gold
Used as a setting material, e.g. for the Forevermark White Light brooch.
Locations

Gaborone
BWProduction and administration
- Materials
- Diamond
Johannesburg
ZAContact site South Africa
Windhoek
NAManufacturing
- Materials
- Diamond
New York
USManufacturing
- Materials
- Diamond
Notable Diamonds





Inside the production






Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Diamond cutting/polishing (Diamond Manufacturing)Machining | – | – | – | – | Diamond (rough diamonds) |
Additional services
Reference customers
Compliance and Responsibility
Compliance is based on the Kimberley Process, OECD Guidance, Responsible Sourcing Policy, Human Rights Policy and a documented health and safety policy with an annual risk review. A grievance procedure with a whistleblowing channel is established.
| Evidence | Gaborone |
|---|---|
| Kimberley Process conformity | |
| OECD Guidance (due diligence) | |
| Responsible Sourcing Policy | |
| ISO 9001 |
History
More than seven decades (over 70 years) of activity in the diamond industry
Creation of notable diamonds, including the De Beers Millennium Star (203.04 ct), Pink Star (59.60 ct), 88.22 ct oval diamond, Pink Dream
- 2014
Sponsor of the Diacore Gaborone Marathon
- 2015
Renewed sponsorship of the Diacore Gaborone Marathon, proceeds donated to charitable causes in Botswana
Expansion of manufacturing sites in Botswana, South Africa, Namibia and New York