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Diamond Facts

Letšeng Star

Key Facts: 550 cts (pre-boiling 553 cts, World's 14th largest white diamond (documented, D colour, Type IIa, No fluorescence Read more

DIAMOND ARCHIVE

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Welcome to Gem Diamonds 

a leading global diamond producer with diamond mining operations in Lesotho and Botswana

THE LIFE OF A GEM DIAMOND STEP 01

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What is a Gem diamond 

The most sought after diamonds are Type IIa Flawless diamonds. Type II diamonds have superior optical properties and have a superior overall polish to Type I diamonds.

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Finding Gem Diamonds 

Diamonds are formed billions of years ago under extreme heat and pressure conditions, deep within the Earth's mantle at a depth of between 100 -200 km below the surface of the Earth. They are brought to the surface of the Earth by kimberlite explosions.

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What Next: Sales & Marketing 

Gem Diamonds' rough diamonds are sold through a combination of channels, including tenders, auctions, off-take arrangements and partnerships, and continues to pursue additional initiatives further down the diamond pipeline.

Letšeng Belgium

 

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What Next: Cutting and Polishing 

Gem Diamonds selects a limited number of its high end diamonds for cutting and polishing for its own account and outsources the computer analysis and manufacturing of these to some of Antwerp's top diamond manufacturing service providers. Gem Diamonds also partners with certain high end diamond manufacturers to manufacture some of Letšeng's select diamond production, to take a position higher up the value chain, closer to the end consumer, in order to gain a greater share of the total value yield.