De Beers Diamond Jewelers was established in 2001 as an independently managed and operated company by De Beers SA, the world's premier diamond mining and marketing company, and LVMH. Drawing on diamond mastery since 1888, De Beers Jewelry is skilfully designed to showcase the outstanding beauty reflecting the diamond as the ultimate miracle of nature. Our pieces are conceived to reveal the beauty of the diamond, its luminous secrets and infinite depth. diamond. We select our stones based on expertise but ultimately, it is the diamond that chooses you. A showcase of the world's best diamonds and precious watches — from the single largest global trader in diamonds — De Beers.