The diamond is a birthstone for people born in the month of April

Most diamonds found in nature are between one to three billion years old

The earliest record of man giving diamond to a woman was in 1477 when the Archduke of Austria gave a diamond to Mary of Burgundy. On average, each stone will lose 50% of its original weight during cutting and polishing

To produce a single one-carat diamond, 250 tons of earth will be mined

Diamonds were first discovered in India and then in Brazil

The largest diamond ever found was the Cullinan at 3106 carats

Diamonds were originally found and mined in India, Brazil, South Africa, Angola, Botswana, Namibia and Congo; however today, diamonds also come from Guinea, Lesotho, Siera Leone, China, Tanzania, Ivory Coast, Guyana, Central African Republic, Canada, and Australia

The diamond is the hardest natural substance found on the Earth

Diamonds form 90 – 120 miles beneath the surface of the earth and are carried to the surface by volcanic eruptions

The top three diamonds mines in the world are: Botswana (24 million carats), Russia (17.8 million carats) and Canada (10.9 million carats)

There are white dwarf stars in space that have a diamond core. The biggest diamond known in universe weights 2.27 thousand trillion tons which is 10 billion trillion carats, or a 1 followed by 34 zeros

Diamonds have very high melting point of 3820K (3547' C/ 6420' F) and a boiling point of 5100K (4827' C/ 8720' F)

The diamond is the hardest natural substance found on the Earth

Romans believed that diamonds had the power to ward off evil and wore them as talismans. They inherited this belief from Indian mythology

The word "Diamond" comes from the Greek word "Adamas" and means "unconquerable and indestructible"

The Earth is estimated at 4.5 billion years old. The oldest diamonds are believed to have been crystallized around 3.3 Billion years ago

80% of the world's diamonds are not suitable for jewelry

Color of diamond is usually pale yellow to colorless, but can also be brown, blue, green, orange, red, pink and black

Diamonds worn in ancient times were believed to promote strength, invincibility and courage

A law in Thirteenth-century France decreed that only the King could wear diamonds

To produce a single one-carat diamond, 250 tons of earth will be mined

The U.S. is the world’s largest diamond market. Although the U.S. accounts for less than one-percent of total global gemstone production, America buys more than half of the world's total gem quality diamonds