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Canadian diamonds are diamonds which have been mined in any one of the provinces and territories of Canada. Diamond-rich areas were not commercially extracted in Canada until the early 1990s. [ 1 ] For the first 60 years of the 20th century, diamonds originated from kimberlite pipes and alluvial deposits in places such as Africa and some from ...
Color grading of diamonds was performed as a step of sorting rough diamonds for sale by the London Diamond Syndicate. As the diamond trade developed, early diamond grades were introduced. Without any co-operative development, these early grading systems lacked standard nomenclature and consistency. Some early grading scales were; I, II, III; A, AA, AAA; A, B, C. Numerous terms
The mining and distribution of natural diamonds are subjects of frequent controversy such as concerns over the sale of blood diamonds or conflict diamonds by African paramilitary groups. [131] The diamond supply chain is controlled by a limited number of powerful businesses, and is also highly concentrated in a small number of locations around ...
24.78-carat (4.956 g) A 24.78-carat Fancy Intense Pink diamond and, until the sale of the Sweet Josephine diamond in November 2015, it was the most expensive jewel ever sold at auction. Previously owned by Harry Winston and an unnamed private collector, and bought by Laurence Graff (November 2010). [31] —
Charm Diamond Centres is an independently owned Canadian jewellery retailer. [ 1 ] [ 2 ] [ 3 ] Its stores are primarily located within regional malls in Canadian provinces such as Ontario , Alberta , Manitoba , Saskatchewan , Nova Scotia , New Brunswick , Newfoundland and Labrador and Prince Edward Island .
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