Diamond

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Diamond crystal (unbroken) of irregular shape, with a thin carbon coating (named Sewelô, “Rare Find”), 1,758 carats found in 2019 at the Karowe mine. A small “window” in the black coating reveals that it grades D or D-flawless to some extent. It was purchased by the luxury conglomerate Luis Vuitton Moët Hennessey (LVMH); Lucara Diamond Corp. photo.

Product details

SpeciesDiamond
SizeMuseum
Dimensions175800.0 cm
Added on02/13/2026
LocalityKarowe Mine
Publications
  • Mineralogical Record 56 4 page 510

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Diamond
Mineral guide
Learn about Diamond
the hardest mineral (Mohs 10) with octahedra, trigons, and cube forms; matrix and alluvial crystals prized for pristine appearance and provenance.
Regional guide
Diamond from Karowe Mine
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