About Newfield

Newfield Resources is an ASX listed Company whose key asset is the Tongo Diamond Mine in Sierra Leone. The Tongo Diamond Mine is a high-grade and high-value mine that produces top quality gem diamonds suited to the high-end luxury jewellery market.

About us

Newfield and the Tongo Mine Development

Newfield’s key project is the Tongo Diamond Mine in eastern Sierra Leone, which is at the production stage.  The mine hosts a JORC compliant 8.3 million carat resource, of which 1.1 million carats is declared as a probable reserve.  First production from Tongo has confirmed the high grade and high value status of the reserve.  Two diamond sales, totalling over 12,000 carats, have realised an average sales value of $216 per carat, whilst in-situ mining grades of over 3 carats per tonne are being achieved.

Operational Highlights

Significant diamond resource of 8.3 million carats(1)
Probable reserves of 1.1 million carats(2)

US$80 million capital expenditure since 2018

Underground development of >2,000m completed to reach first mining level 50m below surface

Over 250 employees on site led by highly experienced mining and operations team

Mining grades exceeding resource model by average of 38%

Two diamond sales totaling 12,457 carats achieved average price of US$216 per carat