Diamond is derived from the Greek word 'adámas' ("unbreakable"). Natural diamonds are formed at a high temperature at a depth of 87 to 120 miles inside the Earth. Diamonds are made of carbon. Volcanic eruptions bring the diamonds closer to the surface of the Earth which are then be extracted by miners. Diamonds are first said to be discovered and mined in India between 3000 to 6000 yrs.
A diamond is a crystal that reflects light in an unique way. It disperess lights into all colours of the spectrum. Diamond is the hardest known natural mineral. Diamond is an expensive mineral due to it's natural properties of hardness, rarity and purity. The more pure a diamond is, the more rare it is and hence more expensive.
Anatomy of a diamond
Interesting Diamond Facts
A diamond is 58 times harder than the next hardest mineral on earth, corundum, from which rubies and sapphires are formed. It was only during the 15th century that it was discovered that the only way to cut diamonds was with other diamonds. Yet, diamonds are brittle. If hit hard with a hammer, a diamond will shatter or splinter.
The world’s largest diamond was the Cullinan, found in South Africa in 1905. It weighed 3,106.75 carats uncut. It was cut into the Great Star of Africa, weighing 530.2 carats, the Lesser Star of Africa, which weighs 317.40 carats, and 104 other diamonds of nearly flawless color and clarity. They now form part of the British crown jewels.
The biggest diamond in the entire universe is thought to be Lucy, a crystallized white dwarf star, a star consisting of diamonds. It’s weight is 10 billion trillion trillion carat. Named after the Beatles song, Lucy in the Sky with Diamonds, it is technically known as BPM 37093.
The tradition of a diamond engagement ring started in 1477 when Archduke Maximillian of Austria gave a diamond ring to Mary of Burgundy.
Diamonds actually are found in abundance; thousands are mined every year. 80% of them are not suitable for jewelery – they are used in industry or in cheap rings. Good diamonds are extremely rare.