Other assets include jewelry company Graff Diamonds International, a polished diamond trading company in Antwerp, a real estate company in Luxembourg and a stake in a South African diamond wholesaler.
He is British diamond jewelry magnate Laurence Graff, who told Bonhams that the painting will be displayed at the Delaire Graff wine estate outside Stellenbosch in the Cape Winelands, which includes luxury lodges decorated by other works in his art collection.