Record No.
MRB-2026-005659
Largest Gem-Quality Rough Diamond Ever Found
No Photo
Record Holder
Cullinan Diamond
South Africa
Category
—
Country
South Africa
(
ZA )
Achievement Date
—
Verification Status
Reference
Record Description
A 3,106-carat rough diamond was unearthed at the Premier Mine near Pretoria in January 1905, the largest gem-quality diamond ever recovered. It was later cut into nine major stones, including the Great Star of Africa, now set in the British Crown Jewels.
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