5 Biggest Diamond Companies in the World

1. Rio Tinto Group (ASX:RIO.AX)

Market Capitalization as of November 20th, 2022: $114 billion (1 AUD = 0.66 USD)

Rio Tinto Group (ASX:RIO.AX) is also one of the oldest mining companies in the world as it was set up in 1873. The firm is headquartered in London, and it mines aluminium, copper, diamonds, gold, and other metals.

Rio Tinto Group (ASX:RIO.AX) is aiming to produce up to five million carats of diamonds by the end of this year. During the first half of this year, the company produced 2.1 million carats of diamonds, which marked 15% annual growth. It operates diamond mines in Australia and in Canada.

Rio Tinto Group (ASX:RIO.AX)’s latest market capitalization is $114 billion.

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