More Precious Stones

Generally, precious stones are characterized by various minerals that possess certain properties, such as shine, durability and rarity.

Nature creates a multitude of rocks and precious minerals.

The most famous and expensive gemstones are the diamond , the ruby , the emerald and the sapphire


Diamond is the king of gemstones and the most commercial stone of the modern economy. It is the hardest material in the world and its value can be boosted depending on its characteristics. See what factors affect the diamond price .

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The ruby belongs to the corundum family and owes its deep red color to chromium. It is used in the manufacture of expensive and impressive jewelry.

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Another gemstone belonging to the broader category of corundums is the sapphire. The sapphire is blue in color and is (along with the ruby) the hardest material after the diamond. The largest sapphire deposits are found in South Africa, Sri Lanka and Thailand.

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Emerald is a beautiful mineral in the shades of green, commonly found in gold jewelry, such as necklaces, earrings, bracelets and rings. It belongs to the beryllium category, and most of its worldwide extraction takes place in Colombia.

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In addition to the above gemstones, there are others of lower value that are widely used in jewelry and are in demand in the purchase and sale of gemstones.


Although amber is not a mineral, it belongs to the category of gemstones. It is made of fossil resin and has a golden yellow color.

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Aquamarine is a fairly common stone. It is a variant of beryllium and its name means “seawater”, due to its characteristic blue-green color.

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Nephrite is a dark green mineral. Its composition consists of calcium, magnesium and silicon compounds. As a mineral, it has been found since antiquity in the region of Europe.

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Lapis Lazuli

Lapis Lazuli is known for its very intense blue color. It is of high value and is found in jewelry, vases and other objects. The mask of Tutankhamen is adorned with lapis lazuli stones.

Λάπις Λαζούλι αγορά πολύτιμων λίθων στην πραγματική τους αξία


Tanzanite is an extremely rare blue or purple stone. It took its name from Tanzania, the country where it was discovered.

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Opal is probably the most impressive stone, as it has many bright colors and emits a unique glow. It is a popular stone, especially when it comes to good quality.

οπάλιο αγορά στην πραγματική αξία


A fairly common and beautiful stone where its color is the same as its name. Turquoise is found in jewelry but one can also buy it for free, like a stone.

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Morganite is a pink, pale pink and shiny stone. It is a variety of beryllium and is known as 'pink emerald'.

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Moonstone is a translucent iridescent stone that was widely used by the designers of the art nouveau movement.

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Rose quartz

The pink shade of quartz is a beautiful and quite common stone. Its color is due to the impurities of iron, magnesium and titanium.

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Citrine is the yellow variety of quartz. It is a transparent stone that has a high value when found in natural form and not made artificially.

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All gemstones, whether the best known or the least commercial, have value.

At Oragold, our many years of experience give us the advantage of knowing the true value of your gemstones .

Contact us to find out the value of your gemstones and receive instant cash. You can bring them for a free appraisal even if they are 'tied' to a piece of jewellery.

We always give the highest prices to the gemstone market . Come and meet us!

In case of transaction, it is necessary to have your police ID or passport with you.

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