=Caroline Scheufele= co president and owner of
"Le Petit-Fils de L.-U. Chopard & Cie S.A., commonly known as Chopard, is a Swiss manufacturer and retailer of luxury watches, jewellery and accessories. Founded in 1860 by Louis-Ulysse Chopard in Sonvilier, Switzerland, Chopard has been owned by the Scheufele family of Germany since 1963."
and owner of Queen of Kalahari.
"In 2015, Caroline Scheufele acquired one of the world’s largest and purest raw diamonds from a mine in Botswana on behalf of Chopard. She used this342-carat diamond, known as the “Queen of Kalahari”, to create a fine jewelry collection that was exhibited in Paris in 2018 and baptized “The Garden of Kalahari”
more behind paywalls…
https://www.ft.com/content/ea9d6340-e795-11e6-967b-c88452263daf
https://www.telegraph.co.uk/luxury/jewellery/rock-star-chopard-turned-342-carat-queen-kalahari-rough-diamond/