In 2017, Swarovski formally launched its lab-created diamond model Diama within the US. To think that each one that has been completed through the 54 years of agreement between De Beers and Botswana has been centred round a non-essential luxurious item! That said, diamonds are simply too necessary to Botswana, its financial system, and its folks to permit the partnership to finish – and so a deal was struck.

• Historically, diamonds have been given to retain or regain a lover’s or ruler’s misplaced favour, as symbols of tribute, or as an expression of fidelity in change for concessions and protection.

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