De Beers
A Diamond is Forever 
De Beers introduced the “4C” criteria, the very first diamond grading system, which has since become a reference in the world of jewelery. The jewelry store De Beers Diamond Jewelers was founded in 2001 with the first in London and now has more than 30 stores worldwide
De Beers
visitez le site officiel
Nature's Wonders, As Individual As You
London
Paris 
New york
Moscow
Dubai
Hong Kong