Grades Improving at Stellar Diamonds’ Tongo Project

Stellar Diamonds plc (LSE:STEL) announced that the processing of bulk sample material at its Sierra Leone-based Tongo kimberlite dyke project is bringing back higher diamond grades than have previously been reported.

Highlights include:

• Processing to date has yielded 730 carats for an increased undiluted grade of 134cpht
• High proportion of diamonds classified as gem quality, with stones of up to 6.7 carats
• Grades anticipated to further increase after re-processing of sample material
• 1,000 carat parcel being collected to confirm diamond grade and values

Karl Smithson, chief executive of Stellar Diamonds, commented:

The on-going bulk sampling continues to yield high grades from the Dyke-1 kimberlite at Tongo. The new average grade of 134cpht is already 12% higher than the previously calculated resource grade of 120cpht, before any reprocessing of the sample material, which we expect will further increase the grade. We anticipate that these increased grades will enhance the project’s global resource and economics, where the independent JORC resource currently stands at 1.1milllion carats at a grade of 120 cpht for just one of four kimberlite dykes within the licence area.

Click here to read the full Stellar Diamonds plc (LSE:STEL) press release.