RAPAPORT… Lucara Diamond Corp. has unearthed a white diamond weighing 378 carats at its Karowe mine in Botswana, the second over 300 carats the deposit has produced since the start of the year.
The miner recovered the “magnificent,” gem-quality, unbroken, type IIa stone from the site’s south lobe M/PK(S) area, known for its large, high-quality rough, it said Tuesday.
Earlier this month, Lucara retrieved a 341-carat, high-quality diamond at the site. Including this newest find, the company has unearthed 55 diamonds over 200 carats since 2015.
“The 378-carat [stone] joins a rare and special lineage of exceptional, high-value diamonds recovered at Karowe, and continues to highlight the wonderful diamond potential of Botswana,” said Lucara CEO Eira Thomas. “Continued and consistent recovery of [these] large diamonds…comes at a critical time and provides continued strength and additional foundation to the opportunity to finance and build the underground expansion at Karowe.”
Image: The 378-carat rough diamond. (Lucara Diamond Corp.)
Lucara Finds Second Large Diamond This Year
The Bottom Line
- Lucara unearthed a 378-carat, gem-quality, type IIa white diamond from the Karowe mine's south lobe M/PK(S) area in Botswana.
- This is the second diamond over 300 carats recovered at Karowe in 2024, following a 341-carat stone found earlier this month.
- Since 2015, Lucara has extracted 55 diamonds exceeding 200 carats from the Karowe deposit.
Summary by Rapaport AI
More Stories

Deloitte: Holiday Spending to Reach $1.71T
US revenue is likely to increase up to 4.8% year on year from November 2026 through January 2027.

Emerald Prices Improve at Gemfields Auction
Miner sells 100% of its 3 million carats of commercial-quality goods for $29.6 million.

Sarine Opens New Lab in Mumbai
Company also has facilities in New York and Surat.
