Nova Parameter SL LTD works the alluvial belt from Kono to Tonkolili — placing investment-grade bullion and Kimberley-certified rough into the hands of refiners, houses and private buyers worldwide.

Cast bars in 1kg and custom weights, natural nuggets and refined dust — every format assayed for purity in the presence of government officers before a single gram is sealed.
View Holdings →
Alluvial rough from the Kono fields, graded across colour and clarity and sealed under a serial-numbered Kimberley Process certificate confirming lawful, conflict-free origin.
View Grades →
Documentation, valuation, statutory duty and customs sealing handled end to end — from the licensed belt to insured freight worldwide. One desk, the whole lawful pathway.
Read More →Material is gathered from the licensed belt and assayed for purity, weight and grade before anything is agreed.
Senior Mines Monitoring OfficerGoods are valued before government officers at the Government Gold & Diamond Office, establishing an on-record value.
Government Gold & Diamond OfficeStatutory duty is paid to the National Revenue Authority and the parcel is sealed in the officers' presence.
National Revenue AuthorityA PMT/GGDO or serial-numbered Kimberley certificate is issued by the authority, and insured freight carries it worldwide.
Precious Minerals Trading DirectorateBuying bullion, sourcing rough, or arranging lawful export — our desk in Bo answers every serious enquiry within one business day.