For more than thousands years, the ruby has been considered as one of the most valuable gemstones on earth. The precious gemstone has not only a magnificent colour, it has also an outstanding brilliance and is extremely rare in its finer qualities, better known as "The sang de pigeon" quality.


The standard and most exceptional colour for sapphires is a cornflower blue, deep enough in daylight and light enough in artificial light. Most of these cornflower blue Sapphires come from Kashmir. New discoveries during the last centuries produced very attractive sapphires. But sapphires are not always blue and could also have a large range of colours from yellow to pink to green.


The spinel harness is high and give the cut stone a nice brilliance. Beside the red varieties of spinel, other colours as orange red, violet red, blue or even transparent exist.


Just like pearls, is Coral a product of the sea. It is mainly composed of hard calcareous organic substance that is the skeleton of small marine animals. The colour of Coral ranges from white to pink to red.


Lapis Lazuli is an opaque, but deep blue gemstone which has been popular in jewellery, since ancient times. People of Mesopotamia, Egypt, Persia, Greece and Rome used it frequently and was very valuable. In other cultures, Lapis Lazuli was seen as a holy stone.


Lapis Lazuli was one of the most precious gemstones during the Egyptian period, because there were very few gemstones known at that time. Other gemstones like emarlds and cornelians were also known. Several centuries later, sapphire, rubies and diamonds will be discovered.


Emerald and Aquamarine are different varieties of Beryl. Beryl can have much more colours, as light green, not to confound with Emerald. The Red Beryl, also called Scarlet Emerald or Bixbite is a rare variety.


Topaz is one of the fine gemstones with an excellent brilliance, due to its hardness. Even if gemstones are too often seen as "one stone, one colour", Topaz is one of the exceptional gemstones which proves the contrary. The best known and most popular colour among gem varieties of Topaz is a fine, lively yellow and better known as the Oriental Topaz. Other very nice colours are light green, orange, blue, reddish violet and even colourless.


Alexandrite is an exceptional and valuable gemstone and a variety of Chrysoberyl. Alexandrite is one of the rare gemstones which changes of colour when having a different light source. The gemstone has been discovered in 1830 in the Russian Ural region, and this on an anniversary of the birth of the then reigning Czar, Alexander II.


Tourmaline Parabai


Tourmaline exists in a lot of colours but one of the most valuable is the Tourmaline Paraiba, with its intense greenish, blue, turquoise colour. The gem is only found in the Brazilian hills of Paraiba.


Agate is a variety of Chalcedony - quartz banded with intercalated bands of translucent and coloured layers. Agates are often used to create cameos with different colours and were already popular during the Egyptian and Roman times. These gems were used to create objects d’art, jewellery, but also worn as talisman.


Jet is fossilized coal and seen as an organic gemstone. Jet found in the Whitby area of England, or black jet, is famous around the world.


Tanzanite is a delicate and intense blue-purple gemstone discovered in 1967 in Tanzania. The more intense the colour, the more valuable it is. Some vivid blue of Tanzanite can even rival fine sapphires and makes Tanzanite an extremely desirable gemstone. Due to the limited availability, Tanzanite may be mined out within 20-30 years.


Citrine is a variety of quartz, just as the Amethyst, and found in a range of colours from light yellow to red-orange to almost brown.


Peridot is a variety of Chrysolite en far much under evaluated. Among the bewilderingly various colours displayed by other gems, Peridot is characterised by one constant and unmistakable colour, the rich olive green, or sometimes called the evening green.


Carnelian is a Quartz and has a range from flesh-red to yellow red to reddish-brown colours. This gemstone is often transformed in beads or intaglios.


Amber is a fossilized resin of pine trees which can contain valuable information of prehistoric times. Even palaeontologists could determine more than 1000 extinct species of insects, which were trapped in amber. The oldest - and most valuable - amber has been discovered in the Baltic States, while other specimen are found in the Dominican Republic, Myanmar, Lebanon, Germany or Canada. The colour ranges from golden to orange – red – brown and almost black colour.




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