Meanwhile, the Brazilian government has engaged in its own lengthy legal battle in federal court to try to repatriate the gemstone.

Underpinning this transformation has been Botswana’s huge diamond reserves - measured by their value, the country is the world’s largest producer of the gemstone.

Shaped and coloured like the country’s rare gemstone, tanzanite, the sparkling new railway terminal in Dar es Salaam is a symbol of Tanzania’s transport ambitions.

The method challenges the notion of man-made gemstones being synthetic, she added.

I place pink gemstones on my heart chakra as I sleep.