(Sharecast News) - Gem Diamonds announced the retrieval of a notable 169.15-carat type II white diamond from its Letšeng mine in Lesotho on Monday.

The London-listed firm said the diamond was recovered on 18 April.

It marked the fourth instance of the company unearthing a diamond exceeding 100 carats in the current year.

At 0830 BST, shares in Gem Diamonds were up 3.7% at 8.94p.

Reporting by Josh White for Sharecast.com.