new online course at Corlia Roberts Diamond Education Centre website ahead of the upcoming raw sales in South Africa. courses cover topics such as selling colored gemstones, explaining lab reports, and gemstone treatments.

Diamond Manufacturing

Top 5 diamond manufacturing companies in the world.

1: De Beers

De Beers Group is the world’s leading diamond company, with expertise in diamond exploration, mining, grading, marketing, and retail. They believe it is their responsibility to help protect the natural world, and to ensure diamonds mined give back to the communities where they are discovered, helping them to thrive.

2: Alrosa

Alrosa is the world’s leading diamond mining company in terms of carats, accounting for 26% of global diamond production and about 90% of Russia’s overall diamond output. The company operates in the Republic of Sakha (Yakutia), the Arkhangelsk region, and Africa.

3: Rio Tinto Diamonds

Rio Tinto Diamonds one of the world’s largest producers of rough diamonds from two mines 1. Argyle in Western Australia and 2. Diavik in Canada’s Northwest Territories. Argyle has been in operation since 1983 and Diavik since 2003.

4: Debswana Diamond Company.

Debswana Diamond Company Limited is located in Botswana, and is the world’s leading producer of diamonds by value. Debswana operates four diamond mines in eastern and central Botswana.De Beers began prospecting for diamonds in the then Bechuanaland Protectorate in 1954. The legendary Gavin Lamont joined Kimberlitic Searches, the local De Beers Company in 1955, after working for the Botswana Geological Survey.

5: Dominion Diamond Corporation.

Dominion Diamond Corp was originally known as the Harry Winston Diamond Corporation. Today, they operate mines in Canada, the most well-known is the Diavik diamond mine located in Lac de Gras

Diamond Prices

1 Carat Round – Estimated Average Prices 2021
SI1$ 4,000$ 8,000
VS1$ 5,550$ 11.100
VVS2$ 6,300$ 12,600
VVS1$ 7,200$ 14,400
IF$ 9,500$ 19,000

Learn to manufacture diamonds call Corlia Roberts direct Mobile +27824920055 or WhatsApp +27829657740

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