Gems

“We trust only the gems we mine ourselves,”

says Valerio Zancanella, owner of TUMICO

“We mine our gems in Africa in the Tunduru area in Tanzania, which is famous for a beautiful 54-carat flawless pink diamond,” says the owner of TUMICO. Polished to perfection, it was presented as a wedding gift to the British Queen Elizabeth in 1947. They say she wears it even today.
Raw stones are polished by the best gemcutters in Italy, where they obtain their final form. Investment gems are certified by world-renowned gemmological laboratories in Austria and Switzerland.

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Aquamarine

Aquamarine is a light blue or turquoise gem. Its colour is reminiscent of sea water, which is where its name...
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Alexandrit

Alexandrite is ranked among the most precious and luxurious gems and has become the Russian national gem. It is highly...
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Ametyst

Royal purple has always been a popular choice for crown jewels, and because the colour has spiritual symbolism, it has...
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Diamond

The Crème de la Crème of gemstones. So much has been written about diamonds that we can hardly tell you...
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Garnet

Garnet is considered a gem of love and passion and is therefore a popular gift for lovers or for wedding...
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Padparadscha

Padparadscha is pink gem which belongs to Sapphire family because of its structure. It is a rare type with an...
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Ruby

Ruby, valued for centuries mainly for its extraordinary colour and radiance, can sometimes be even more precious than diamond itself....
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Emerald

Along with diamond, sapphire and ruby are among the four most valuable gems. Colour in these stones is the most...
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Emerald twins

Along with diamond, sapphire and ruby are among the four most valuable gems. Colour in these stones is the most...
SPI0001

Spinel

Spinel is a red gemstone which has been confused with ruby for a long. It belongs among the hardest and...
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Spinel twins

Spinel is a red gemstone which has been confused with ruby for a long. It belongs among the hardest and...
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Tanzanite

One of the most recent gemstone types was only discovered in 1967 and has just one mining site, in Tanzania....
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Tanzanite

One of the most recent gemstone types was only discovered in 1967 and has just one mining site, in Tanzania....
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Tanzanite Twins

One of the most recent gemstone types was only discovered in 1967 and has just one mining site, in Tanzania....
TUR0002

Tourmaline

No two tourmalines in the world are identical. Their colour spectra are so wide that you can find even transparent...
TUR0001

Tourmaline

No two tourmalines in the world are identical. Their colour spectra are so wide that you can find even transparent...
TUR0003

Tourmalines

No two tourmalines in the world are identical. Their colour spectra are so wide that you can find even transparent...
SAP0001

Sapphire

The blue brother of ruby, it is the hardest gem in the world after diamond and can soften the heart...
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Sapphire twins

The blue brother of ruby, it is the hardest gem in the world after diamond and can soften the heart...
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