Gemfields is the world's leading producer of coloured gemstones. It explores, mines, and markets coloured gemstones, and operates a mine-to-market supply chain. The source of each of its gems is traceable and backed by Gemfields high ethical and environmental standards. Gemfields, whose Kagem mine in Zambia produces 20% of the world's emeralds, prides itself on maintaining its social, environmental and safety standards. Gemfields is also involved in amethyst and ruby mining.

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