AI assistant
Gem Diamonds Limited Earnings Release 2026
10487_rns_2026-05-20_3b50cddd-4431-40d0-9e88-c378b8045afb.html
Earnings Release
Open in viewerOpens in your device viewer
National Storage Mechanism | Additional information 
RNS Number : 9802E
Gem Diamonds Limited
20 May 2026
20 May 2026
GEM DIAMONDS LIMITED
Q1 2026 Trading Update
Gem Diamonds Limited (LSE: GEMD) ("Gem Diamonds" or the "Company" or the "Group") provides the following Trading Update detailing the Group's operational and sales performance from 1 January 2026 to 31 March 2026 ("Q1 2026" or the "Period").
Highlights:
· Letšeng's first production export of the year ("Export 1") comprised 16 727 carats that were sold during the Period, achieving a dollar per carat of US$1 501.
· Post Export 1, an additional parcel of 10 larger than 10.80 carat diamonds totalling 363 carats (including a 191.82 carat Type IIa white diamond) from the next production period was exported and sold in the Period, generating revenue of US$7.0 million. The remaining carats from this production period, which would typically have been sold in the Period, will be sold in Q2 2026.
· Total revenue achieved in the Period, including the additional parcel of 10 diamonds amounted to US$32.1 million.
· Two +100 carat diamonds were recovered in the Period, a 100.71 carat Type I faint yellow diamond that will be sold in Q2 and the 191.82 carat diamond referred to above.
· The highest price achieved in the Period was US$32 908 per carat for a 52.24 carat white diamond.
· Four diamonds sold for more than US$1.0 million each, generating aggregate revenue of US$9.9 million during the Period.
· All operational and financial metrics, including carats sold, are trending within issued guidance for 2026.
Letšeng Diamonds production summary:
During the Period, production was primarily sourced from the lower-grade, lower-value Main Pipe, with a lower contribution from the higher-grade, higher-value Satellite Pipe, in accordance with the mine plan. The table below sets out the production and Export 1 sales performance for the Period:
| Q1 2026 | Q4 2025 | % Change |
|
| Waste tonnes stripped | 70 943 | 48 304 | 47% |
| Ore tonnes treated | 1 326 732 | 1 366 152 | (3%) |
| Satellite pipe contribution (tonnes) | 239 632 | 332 167 | (28%) |
| Carats recovered | 21 605 | 20 961 | 3% |
| Grade recovered (cpht) | 1.6 | 1.5 | 1% |
| Carats sold | 16 727* | 21 191 | (21%)** |
| Total value (US$ millions) | 25.1* | 27.3 | (8%) |
| US$/carat | 1 501* | 1 288 | 17% |
* Excluding the additional parcel of 10 large diamonds (363 carats) that were also sold in Q1 2026 to avoid distorting the run-of-mine average dollar per carat achieved.
** The 21% negative variance is as a result of carats carried over to be sold in Q2 2026.
FOR FURTHER INFORMATION:
Gem Diamonds Limited
Kiki Constantopoulos, Company Secretary
Celicourt Communications
Mark Antelme / Charles Denley-Meyerson
Tel: +44 (0) 20 777 6424
This announcement contains inside information for the purposes of Article 7 of Regulation (EU) No 596/2014.
The Gem Diamonds Limited LEI number is 213800RC2PGGMZQG8L67.
ABOUT GEM DIAMONDS:
Gem Diamonds is a leading global producer of high value diamonds. The Company owns 70% of the
Letšeng mine in Lesotho. The Letšeng mine is famous for the production of large, exceptional white
diamonds, making it the highest dollar per carat kimberlite diamond mine in the world.
This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact [email protected] or visit www.rns.com.
RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy.
END
TSTSFAFMUEMSEDI