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The Kimberley Process Certification Scheme (KPCS) is the process established in 2003 to prevent "conflict diamonds" from entering the mainstream rough diamond market by United Nations General Assembly Resolution 55/56 following recommendations in the Fowler Report. The process was set up "to ensure that diamond purchases were not financing ...
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 than 200 carats since mining commenced.
Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond. It is an impure, high-density, micro-porous form of polycrystalline diamond consisting of diamond, graphite , and amorphous carbon , with minor crystalline precipitates filling pores and occasional reduced metal inclusions. [ 1 ]
In February 2018, Sarine announced the launch of the Diamond Journey™, a digital platform that displays information about a polished diamond throughout the manufacturing process from rough status to polished state. The Canadian mining company Dominion Diamond Mines was the first company to adopt the Diamond Journey for its CanadaMark diamond ...
On August 22, 2024, Lucara announced the discovery of a 498.4 g (2,492 carats) rough diamond there. [15] Currently, it is the second-largest gem-quality diamond ever found [16] and, according to the government of Botswana, the largest ever discovered in the country. [13]
Raw diamonds from the mines were typically transported to Golconda—now the western part of Hyderabad— [28]) for skilled lapidary, enhancement, further evaluation, and sale. [17] [19] [20] The art of macle, which is a form of rough diamond that is used to produce jewellery, was first developed in the Golconda region. [29]
The CDTA also does not directly deal with the retail diamond sector, as the Act only applies to rough diamonds as opposed to cut and polished diamonds. [2] While some retailers take strong initiatives to avoid conflict diamonds, many do not, so the effectiveness of the Act to eliminate the trade of conflict diamonds is often questioned. [ 2 ]
The raw diamonds from the regional mines were typically then transported to the Golconda (now the western part of Hyderabad [8]) for skilled lapidary, enhancement and further evaluation and sale. [1] [2] [3] The art of macle, which is a form of rough diamond used to produce jewelry, was first developed in the Golconda region. [9]
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