A clearance house in Bo, the heart of Sierra Leone's mining country, for gold and rough diamonds — measured, certified and lawfully exported.
A clearance house built on the idea that the value of West African gold was never the problem — the paperwork was.
Nova Parameter SL LTD trades gold and rough diamonds from Bo, in the heart of Sierra Leone's mining country. We work the licensed alluvial belt from Kono to Tonkolili, and we place material with refiners, houses and private buyers who need to know — not hope — that what they are buying will clear.
We set the parameter before the transaction. Assay, valuation, certification, duty, sealing. By the time a price is discussed, the facts are already on the record and issued by someone other than us.
Because the alternative is what the region is known for: a handshake, a promise, and a parcel that never clears customs. We would rather be slower and certain.
Registered dealer and exporter under the Mines and Minerals Development Act 2022. Verifiable with the authority.
Purity certified before government officers. The certificate is not ours to write.
Zero child labour across the material we handle. Responsible sourcing is not a marketing line.
Nova Parameter SL LTD is a licensed Sierra Leone clearance house for investment-grade gold and Kimberley Process rough diamonds — a registered National Minerals Agency dealer and exporter working the licensed alluvial belt from Kono to Tonkolili. We were built around a single idea: that the value of West African gold has never been the problem — the paperwork has. We removed the guesswork by putting the parameter first: assay, valuation and certificate before any price is agreed.
The sector attracts informal intermediaries and outright fraud. What separates a legitimate gold and diamond dealer is verifiable licensing, government-witnessed assay, and serial-numbered certification — a paper trail a buyer can follow independently. Every claim we make can be checked against the National Minerals Agency, the Precious Minerals Trading Directorate and the Kimberley Process, without our help.
We operate only inside the framework of the Mines and Minerals Development Act 2022. Every transaction is assayed and valued before government officers, statutory duty is settled, and the parcel is sealed and certified before lawful, insured export worldwide. One desk handles the entire chain, from the licensed belt to your vault.
Buying bullion, sourcing rough, or arranging lawful export — our desk in Bo answers every serious enquiry within one business day.