This is a partial list of the largest non-synthetic diamonds with a rough stone (uncut) weight of over 200 carats (40 grams). [1] The list is not intended to be complete—e.g., the Cullinan (formerly Premier ) mine alone has produced 135 diamonds larger …

2023年9月18日 · Known as “CLIPPIR” diamonds—the acronym stands for “Cullinan-like, Large, Inclusion-Poor, Pure, Irregular, and Resorbed”—these raw stones originate at depths of 224 to 466 miles (yes ...

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2025年1月1日 · We've compiled a list of the largest diamonds in the world based on their weight. It includes large diamonds that are cut into smaller ones and those that are now lost.

2023年12月5日 · Raw diamonds, or rough diamonds, are nature’s gift, formed under the intense conditions of high pressure and temperature in the Earth’s mantle. Unlike cut and polished ones, raw diamonds are unaltered by human hands and retain their natural form as they were when ejected to the surface through volcanic activity.

Known to be from the Democratic Republic of the Congo, this stone displayed Raman spectroscopic features characteristic of diamond. The sheer size presented a challenge with IR absorption spectroscopy analysis, as it was too large for the regular sample chamber, beam condenser, or DRIFT units.

Today, the diamond consists of nine large stones and ninety-six smaller stones; two of the largest stones forming part of the Crown Jewels. But, believe it or not, the diamond is only one of the largest diamonds ever to be found in the world. Here’s a list of the eight largest diamonds ever to be found in nature:

2024年8月22日 · The discovery of a large diamond brings with it the possibility of wealth for individuals—and in some cases, even for entire nations. Let’s explore some of the biggest diamonds in the world. 1. The Sergio Diamond. Sergio, the largest raw diamond ever found, weighed 3,167 carats and was found in Bahia, Brazil in 1895. Let’s say that one ...

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