Definition
Lesedi La Rona is a gem-quality, colorless diamond weighing approximately 1,109 carats (222 grams), making it one of the largest diamonds ever discovered.
Overview
The diamond was uncovered on 16 November 2015 at the Letlhakane mine, operated by Lucara Diamond Corp. in Botswana. Upon its discovery, the stone was initially recognized as the second‑largest rough diamond ever found, surpassed only by the 3,106‑carat Cullinan diamond discovered in South Africa in 1905. After being cut and polished, the diamond was expected to yield a polished gemstone of roughly 300 carats, though its final dimensions and market status have not been publicly disclosed as of the latest reliable reports.
Etymology/Origin
"Lesedi La Rona" derives from the Setswana language, spoken in Botswana, and translates to “Our Light.” The name was chosen to reflect the cultural significance of the find for the Botswana people and the broader African continent.
Characteristics
- Weight: 1,109 carats (rough).
- Color: Classified as colorless (D‑grade) in the Gemological Institute of America (GIA) grading system for rough diamonds.
- Clarity: Exhibits a high level of clarity, though specific inclusions were not publicly detailed.
- Shape: The rough stone is an irregular, octahedral crystal typical of natural diamond formations.
- Origin: Extracted from a kimberlite pipe within the Letlhakane mining area of the Orapa–Letlhakane diamond field in central Botswana.
- Ownership: Initially owned by Lucara Diamond Corp.; subsequent ownership and sale details have not been fully disclosed.
Related Topics
- Cullinan Diamond: The largest gem‑quality rough diamond ever found (3,106 carats).
- Botswana Diamond Industry: Botswana is a leading global diamond producer, with mining operations contributing significantly to its economy.
- Kimberlite Pipe: Geological formations that host primary diamond deposits.
- Gemology: The scientific study of gemstones, including grading and valuation methods for diamonds.
- Lucara Diamond Corp.: The mining company responsible for the discovery and initial handling of Lesedi La Rona.