Gem Diamonds — Letseng Mine
World's highest diamond mine , Letseng, Lesotho at 3,100m
Gem Diamonds operates the Letseng diamond mine in the Maluti Mountains of Lesotho at 3,100 m elevation, producing some of the world's largest and highest-quality white diamonds. Rough stones are sold at international tenders to leading diamond manufacturers and polishing centres in Antwerp, Dubai and India.
- Type
- manufacturer (our classification of the record, not a statement by the company)
- Role
- Manufacturer
- Location
- Mokhotlong, Lesotho
- Founded
- 2005
- Website
- gemdiamonds.com
- Categories
- Metals, Steel & Mining, Jewelry
- Markets
- Belgium, United Arab Emirates, United States, India, Hong Kong
What is established and what is not
No facet of this company has been investigated yet. The facts below are collected records, not an assessment: nothing here confirms manufacturing, ownership or trading status beyond what each record literally says.
Verified facts
- corporate-mail-on-domain (green), checked 2026-08-08 Mail server of the company domain
- domain-registered (green), checked 2026-08-08 Domain registry record
- sanctions-clear (green), checked 2026-08-08 - screened by name only: no legal entity is established for this record, so this is not a clearance OpenSanctions
- debarment-clear (green), checked 2026-08-08 - screened by name only: no legal entity is established for this record, so this is not a clearance OpenSanctions
Claimed certifications, not confirmed by us
- ISO 14001, Environmental Management IAF CertSearch
- ISO 9001, Quality Management IAF CertSearch