Ariadna precious and semi precious gem stones Ariadna precious and semi precious gem stones Ariadna precious and semi precious gem stones Ariadna precious and semi precious gem stones Ariadna precious and semi precious gem stones Ariadna precious and semi precious gem stones

Welcome to Ariadna Gem Stones!

Ariadna Gem Stones searches the world over to bring you the best precious and semi-precious stones available on the market today. Ariadna Gem Stones is based in California, and are importers of all types of gemstones from every corner of the world.

Whether you are looking for some precious gems like diamonds, rubys, emeralds or aquamarines, we will strive to help you with the best purchase that will stun both you and the people that are admiring your jewelry. We also carry a wide selection of blue sapphires, pink sapphires, and many other semi-precious stones that are unique as you are.

Professionals from Ariadna Gem Stones have been in the gemstone business for over 10 years, servicing all clients - whether they are gemstone collectors or just regular customers looking for something of value that is affordable and unique.

All our loose precious and semi precious stones are for sale. Contact Ariadna Gem Stones the next time you are looking for outstanding value in the gem stones at affordable price. We will be glad to find the best stones to your satisfaction!

List of the Gem Stones in Stock

Agate, Alexandrite (Lab), Amethyst, Ametrine, Aquamarine, Carnelian, Chrome Diopside, Chrysoprase, Citrine, Cubic Zirconia, Danburite, Emerald, Garnet, Iolite, Jade, Kunzite, Labradorite, Lapis Blue, Lemon Quartz, Malachite, Moldavite, Opal, Onyx Black, Peridot, Prasiolite, Ruby, Rubelite, Sapphire, Sardonyx, Sodalite, Tanzanite, Topaz Blue, Topaz White, Tourmaline, Turquoise, and Zircon

If you are looking for these gem stones, contact us and we will be happy to assist you with the best purchase!

If you are interested in other gem stones, please take a look at our page Gem Stone Collection, pick the one that you love and we will make sure to get it for you in a timely manner.

precious gem stones

About Our Precious Stones



As the names imply, Precious Stones are always precious in this world.

The most popular ones are Diamond, Ruby, Emerald, Aquamarine, Sappfire and Opal.
Here are a few interesting facts about these Precious Stones.



Ariadna gem stones Diamond

Diamonds are always at the top of the list of precious stones. They are considered as the most highly prized precious stones. There are many references for diamonds in history and historical fiction. Diamond has always been the best choice by people from all over the world for the wedding rings. Diamond is the birthstone for people who are born in April. It is the only precious stone that has a universally accepted grading system. It can be natural gem or artificially made. The most common method to measure a diamond is the 4C’s: CUT, CLARITY, CARAT, and COLOR.

Natural Occurrence :

South Africa (almost 50%), Brazil, Borneo, India, Venezuela and Guyana, Australia, Cong., Angola, Guinea, Sierra Leone, and Russia.


Ariadna gem stones Ruby

Ruby is a beautiful pink to red bloodstone, and is a birthstone for people who are born in July. Ruby is usually formed when the mineral corundum combined with chromium. The interesting facts is that in case of a ruby, the natural impurities actually add to the value of the stone. The price of the ruby is determined by its color, for example, pigeon blood red ruby is the most valuable one. Ruby is the second hardest precious stone, which is slightly less durable than the diamond.

Natural Occurrence :

Rubys are found in Burma which is now Myanmar, Thailand, Sri Lanka, South Africa, India, Afghanistan, Pakistan, Tanzania, Kenya, Nepal and Vietnam.


Ariadna gem stones Emerald

Emerald, the green stone, is produced when the mineral beryl is combined with chromium and vanadium in the earth. Emerald also has impurities in their depth that add to the overall value of it. The inner light and reflective ability of this stone make it truly unique. The price of this stone depends upon its clarity and color. Deeper green to greenish blue emerald stones have the highest value on the market.

Natural Occurrence :

Emerald in best quality comes from Muzo mine in Colombia. Emeralds also found in India, Brazil, Australia, North Urals, Norway, Austria, South Africa, Rhodesia, Pakistan, Botswana, Kenya, Madagascar, Zimbabwe, Tanzania, Zambia and USA.


Ariadna gem stones Aquamarine

Aquamarine is one of the most admired and very famous gemstones, and differentiates itself by a lot of first-rate qualities. Aquamarine name comes from the Latin phrase "water of the sea". It is approximately as accepted as the classics: ruby, sapphire and emerald. In reality it is connected to the emerald, both fit in to the beryl family. The stone color ranges from almost clear to rich blue in color, and it is sometimes heat treated to improve the color. Because of the clear, shining look of aquamarine, it is usually presented in a faceted cut, so that the faces of the stone jazz in the light.

Natural Occurrence :

Brazil, Pakistan, Myanmar, Russia, China, Namibia, Mozambique, Zambia, Kenya, United States, India, Siberia, Srilanka.


Ariadna gem stones Sapphire

Sapphire is made from the same minerals as rubies but the different ratio of formation makes it different from ruby and gives it the blue color. The Sapphire is a hard stone, which is used in various kinds of applications other than mere jewelry. Sapphires are available in many different colors such as yellow, green, orange, purple, etc. However, these colors are not very common.

Natural Occurrence :

Best quality is found in Kashmir (India), Pakistan. It is also found in Burma, Australia (Anakie), Sri Lanka, Thailand (Kanchanaburi), Cambodia (Pailin), Tanzania, Finnish Lapland, South India, Northwest Kenya and USA (Montana, Yogo Gulch).


Ariadna gem stones Opal

Opal is the birthstone of people who are born in the month of October. The most precious opal are black opals, they are found only in Australia. They are often called as the queen of gems. Opals are formed in the cavities of rock, often in sedimentary rocks. Opal is classified according to its body color as white opal, black opal, fire opals, crystal opals, and water opals.

Natural Occurrence :

Australia, Nevada, Oregon, California, Slovakia, Mexico.

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