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Diamond

Diamond is the hardest and purest natural substance known to man till date. Diamonds are made up of carbon. They were formed millions of years ago under the surface of the Earth (more than about 120 km below). Carbon present in the rocks inside the Earth underwent crushing pressure and intense heat. This extreme condition

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Gems

Gems are the most valuable, durable, beautiful, and rare crystals. There are about 80 known gems. They are divided into two categories: precious and semi-precious. Precious gems include: diamond, ruby, emerald and sapphire. Semi-precious gems include: opal, amethyst and topaz. Most of the gems are made up of combination of a substance called silicate. Diamond

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