What to Know
Picking a Diamond Will Be Fun. Really.
You say you’re nervous about purchasing a diamond? You’re not alone. It’s an important purchase, so a few jitters are allowed. Trust us, though; we’ll make the process informative and fun. Promise.
The Four Cs
- Diamonds were formed billions of years ago, 75 to 120 miles beneath the earth’s surface. But it does not necessarily take that long for a diamond to form. It can happen much faster as long as the conditions are right. It takes intense pressure and temperatures of 2000º –3000º F to create a diamond.
- The first written mention of diamonds dates to approximately 500 BC.
- Only one of every five diamonds found in nature is of gem quality. The rest are typically used in industrial settings.
- Only one finished diamond out one thousand weighs over one carat.
- If you have a house fire, your diamonds will probably survive unscathed. To burn a diamond, it must be heated to 1292° F. A house fire typically reaches just 1100° F.
- Red and green are the rarest fancy colored diamonds. Diamonds in their purest state are clear.
- Carob tree seeds were used for centuries as a measuring tool for weighing precious stones. The word carob eventually evolved into the word “carat”.
- The Cullinan diamond is the largest rough diamond ever found. It is 3,106 carats in size and weighs 2.8 pounds.
- Until the 18th century, the only diamond mines were in India.
- Diamonds weren’t discovered in North American until the 1840s.
- Today, Russia mines more diamonds than any other country in the world.
- The U.S. produces almost no diamonds, but purchases more diamonds than any other country – more than 40 percent of the world’s gem quality diamonds.