A gemstone is a piece of natural occuring mineral crystal, which, after being cut or polished, is used for persoanal adornment such as jewellery.
Sometimes certain rocks (such as lapis lazuli) or organic materials that are not mineral (such as amber), are also used in jewellery making despite and therfore often referred to as gemstones as well.
Gemstones may be characteristed by their hardness (Mohs’ scale: diamonds the hardest, pearls the softest), colour or rarity.
Gemstones can be cut and polished to achieve a certain shape and luster. Faceted cuts found in round or pear shapes highlight the gemstone’s reflective qualities, while cuts such as cabochons make the stone appear softer and focuses on itscolours or inclusions.
Green & Blue Diamonds
To many, diamond is the ultimate gemstone. Produced around 150km inside the Earth, it is the hardest of all known natural gemstones. Diamonds also occur in a range of tints, usually brown and yellow, through to fancy colours.
Color enhanced diamonds such as green and blue diamonds have the beautiful shine of a colorless diamond with the added charm of mesmerizing colours.
All colour enhanced diamonds are natural diamonds, some of nature’s most precious gifts. The exposure to electrical energy is what changes the diamonds’ color to various shades of green and blue.
Sapphire is a variety of the mineral corundum. It is typically blue, but natural "fancy" sapphires also occur such as pink and purple, Its remarkable luster, durability and hardness makes it a very precious and desirable gemstone.
Tsavorite is a variety of garnet in radiant green. They reflect light more brilliantly than emeralds due to its faceting structure. the gemstone was first discovered in Tanzania in the 1960’ and later in Kenya, near Tsavo National Park, a wildlife preserve in the African Serengeti, where its name derives from.
Amethyst is a violet variety of quartz. In greek, amethystos means "intoxicate". The ancient Greeks wore amethyst in the belief that it would prevent intoxication, and even now, amethyst is famous for its healing virtues. The strong colour and brillance of amethyst makes it a very popular and attractive gemstone.