Diamond
Industrial and gem-quality diamonds with verified provenance.
What we trade and why it matters
Diamond is the hardest known natural material, with unrivalled thermal conductivity and optical dispersion. Gulf Cosmopolitan trades both gem-quality rough and industrial diamonds, with strict adherence to the Kimberley Process and independent certification for every parcel.
Grades and specifications we handle
Gem-Quality Rough Diamonds
Uncut stones graded by colour, clarity, carat and cut potential.
Industrial Diamonds (Bort, Boart)
Lower-grade crystals for cutting, grinding and drilling tools.
Synthetic / Lab-Grown Diamonds
HPHT and CVD industrial and gem-quality stones with full disclosure.
Diamond Powder & Micron
Precision abrasive and polishing powders for optics and hard materials.
Diamond Drilling Bits & Inserts
PCD and natural diamond tooling for mining and oilfield services.
Primary uses
- Jewellery manufacturing
- Cutting, grinding and drilling tools
- High-precision polishing
- Thermal management and electronics
- Oil, gas and mining tooling
Source regions
- Botswana
- Russia
- Canada
- South Africa
- Angola
- Democratic Republic of Congo
How we trade it
Gem diamonds are priced per carat against Rapaport and tender benchmarks, with GIA, GRS or independent valuation. Industrial diamonds trade by size, grade and application. All parcels are Kimberley Process-certified and shipped via secure valuer-escorted logistics.
Financing available on every diamond trade
Letters of credit, pre-export finance and guarantees — structured for your counterparties, tenor and currency.