Jean-Raymond Boulle, COR (born 10 October 1950) [1] is a Monaco-based Mauritian businessman, the founder of four publicly traded companies with deposits of nickel , cobalt , copper, zinc , titanium and diamonds. [2]
Boulle worked for the De Beers Diamond Trading Company (DTC) for ten years, in Zaire , Sierra Leone and Antwerp , Belgium, and then established Boulle Inc. in Dallas , Texas . [3]
In 1984 he began exploring for diamonds, first in Minnesota , then in Arkansas . In 1987 he formed Arkansas Diamond Development Co., to carry out exploration work on the Crater of Diamonds State Park in Arkansas. [4] He claimed there were perhaps $5 billion worth of diamonds there, but in 1996 exploration work was halted as it was found to be not worth mining. [5]