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Colored gemstones

Most gemstones are minerals, including diamonds . They are formed under great pressure and at high temperatures and at great depths.
Gemstones are very rare and therefore extremely sought after. Each gemstone is unique and impresses with its own individual beauty.

An introduction to the study of gemstones

Colored stones (today also "colored gemstones") are basically all gemstones - including non-colored ones - except diamonds. The study of gemstones falls under the term gemmology . Gemstones that are used in jewelry are basically called semi-precious stones or colored stones.
People have been familiar with precious and semi-precious stones for 10,000 years. Precious stones are usually minerals , but can also be rocks, mineral aggregates or organic formations. Minerals can be formed in different ways; some crystallize, for example, from molten gases and melts in the earth's interior.
All gemstones meet three specific criteria: rarity, transparency and a Mohs hardness of more than 7. The diamond is therefore also considered a gemstone, although it previously had no special significance for jewelry.

Set your RENÉSIM gemstone in a unique piece of jewellery

Combine your RENÉSIM gemstone with our individually configurable ring models , earrings and pendants . We will provide you with comprehensive support from the selection of your ideal gemstone to the creation of your piece of jewelry.

It is very important to us to fulfill every one of your wishes

Personal advice

Would you like individual and personal advice? Visit us in our store in the heart of Munich or contact us without obligation via email. You can also reach us by phone on +49 89 1222 893 0 .

Colored stones and their characteristics

The weight of a gemstone is measured in international trade in carats, grains, mommes or grams. However, the most relevant properties of a gemstone are its optical characteristics. These include, for example, color, luster, luminescence , fire, light refraction, transparency and fluorescence .
However, gemstones usually only reveal their full beauty when they are cut and polished. A suitable cut not only gives the gemstone a certain shape, but also optimizes its light reflection and shine. The interplay of color, shine and play of colors makes most gemstones something very special. Inclusions are often not seen as "flaws" but as a unique feature of the respective gemstone.
There are several hundred different types of gemstones. Well-known gemstones include sapphire, emerald, ruby, tourmaline and amethyst. Most people are also familiar with the gemstones citrine, beryl, aquamarine, iolite, moonstone, morganite, peridot, topaz and opal.

The meaning of gemstones

Gemstones have always been coveted by people. They used to be considered status symbols reserved only for the wealthy. Today, gemstones are worn less to demonstrate wealth and more for personal enjoyment.
Colored gemstones can also be found in most world religions. In both Judaism and Christianity, certain objects have always been set with gemstones. Colored stones are also used to decorate buildings or equipment in other major religions.
Of all the precious stones, diamonds are actually the only ones that are suitable as an investment and thus as a stable way to secure assets, as they enjoy international recognition for their natural material value.

Colored gemstones and diamonds at RENÉSIM

RENÉSIM purchases the gemstones directly from global mining and cutting companies and can therefore provide you with any gemstone, no matter how unusual. The designers and setters also place particular emphasis on valuable gemstones with excellent quality criteria for our configurable colored stone rings in order to make your piece of jewelry unique.
Please feel free to contact us or visit us in our RENÉSIM store in Munich and our experts will advise you on your very own unique piece of jewelry that will showcase the colored stone of your choice in a special way.