Wholesale and to the trade, the largest supplier is probably DeBeers.
The largest supplier of raw, mined diamonds is probably the DeBeers organization. Read more about them, below.
Iron ore(World's largest supplier), Coal(Worlds largest Supplier), Bauxite(Worlds largest supplier), Gold(worlds largest nugget), Copper, Tin, Opals(worlds only source of black opal), Diamonds(2nd largest after south Africa but produces yellow diamond valued for industrial use), Uranium(worlds largest supplier) Natural gas(worlds largest supplier) Oil and Shale oil, magnesium, manganese, zinc, salt, nickle, mineral sands
Australia
The Tiffany Yellow Diamond is the worlds second largest canary yellow diamond. In 1983 the diamond was appraised and valued at 12 million dollars.
You can review the list, below, of named diamonds, none with the exact carat weight you describe, and documentation of the fact that a 99 carat diamond is not quite the world's largest.
Stannah is the worlds largest supplier of chairlifts. Other major companies include: AmeriGlide, ThyssenKrupp, Access Industries, Pinnacle and Minivator.
The largest natural diamond found to date weighed more than 3,000 carats, and fit into the palm of a grown man's hand.
The United States is the largest supplier of military weapons to Israel.
Worlds largest animal: Blue Whale
USA has the worlds largest rail network.
the worlds largest swamp is the Sudd thx for asking
libya, as it is the largest oil supplier in the world