A diamond is a crystalline form of the element carbon. Because of its structure, it is considered the hardest naturally-occurring substance. It is transparent, but so dense th
…at light passing through a diamond is slowed by nearly 50% of its speed. Diamonds can be 'cut" by other diamonds, or split along its crystal lines to produce shimmering jewels that last practically forever. Diamonds are formed when carbon is placed under many tons of pressure and extreme heat for a million years or longer, causing the carbon atoms to form a tight lattice. They can be produced artificially using special furnaces, as can other familiar gemstones such as rubies, emeralds, and sapphires. The meaning of Diamonds in the Greek language is unbreakable. Dueto the nature of the stone it is also believed that if this stonesare used for the weddings, the bond between the couples will beeverlasting like the nature of the stone. This is one of the mostloved gemstone. ( Full Answer )