FDI.L Regulatory News (FDI)

5 April 2017

Firestone Diamonds plc

("Firestone" or the "Company") (AIM: FDI)

110 carat gem-quality light yellow diamond recovered at Liqhobong

Firestone Diamonds plc, the AIM-quoted diamond mining company, is pleased to announce the recovery of its largest diamond to date, a 110 carat gem-quality light yellow diamond, during the ramp up phase at its Liqhobong Diamond Mine.

The Company believes this diamond recovery confirms the significant larger stones potential that exists at Lighobong.

A photo of the diamond can be viewed via the PDF link:

http://www.rns-pdf.londonstockexchange.com/rns/5935B_-2017-4-4.pdf

Stuart Brown, Chief Executive Officer of Firestone, commented:

"I am delighted to announce that we have recovered Firestone's largest diamond to date. The 110 carat gem-quality light yellow diamond recovered during Liqhobong's ramp-up phase is a very exciting and encouraging accomplishment. It confirms our long held belief that Liqhobong has large stone potential and I hope this is the first of many to come."

For further information, please visit the Company's website or contact:

Background information on Firestone

Firestone is an international diamond mining company with operations focused on Lesotho. Firestone is currently in the process of commencing commercial production at the Liqhobong Diamond Mine. Liqhobong is owned 75% by Firestone and 25% by the Government of Lesotho.

Lesotho is emerging as one of Africa's significant new diamond producers, hosting Gem Diamonds' Letseng Mine, Firestone's Liqhobong Mine and Namakwa Diamonds' Kao Mine.

For more information please visit: www.firestonediamonds.com

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014 ("MAR").

ENDS