De Grisogono
Encyclopedia
De Grisogono is a Swiss luxury
Luxury good
Luxury goods are products and services that are not considered essential and associated with affluence.The concept of luxury has been present in various forms since the beginning of civilization. Its role was just as important in ancient western and eastern empires as it is in modern societies...

 jeweller. It was founded in 1993 by black diamond
Diamond
In mineralogy, diamond is an allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal structure called a diamond lattice. Diamond is less stable than graphite, but the conversion rate from diamond to graphite is negligible at ambient conditions...

 specialist Fawaz Gruosi.
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