- To produce a single one-carat diamond, 250 tons of earth will be mined.
- Gem-quality diamonds are made up from less than 20 % of the diamonds that are mined worldwide.
- The first notation of precious diamonds dates back to around 500 B.C.
- In their purest state, diamonds are brilliant and entirely colorless.
- Diamonds are found in a variety of colors. Blue and pink diamonds are the rarest, and yellow and brown are the most common.
- The diamond is rock hard and virtually fireproof. In order for a diamond to burn, it must be heated to 1292 degrees Fahrenheit.
- Out of one-thousand polished diamonds, only one will weigh more than one carat.
- Although the United States of America accounts for less than 1% of total global gemstone productions, they buy more than half of the world's total gem quality diamonds and thus account for the world's largest diamond market.
- Australia produces the most diamonds in volume.
- The Crater of Diamonds State Park in Arkansas is the world’s only diamond mine that is open to the public. Since 1906, more than 70000 diamonds have been discovered in the Crater of Diamonds State Park, including the 40.23 carat Uncle Sam Diamond, which is the largest diamond of its kind ever found in the U.S.A.
