Knowledge Centre

Diamonds vs. Brilliants

Find out more about YES diamonds. We offer jewellery with diamonds decorated by an exceptional frame and unique design.
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Engagement ring

The history of engagements has been shaped by many religions, traditions and cultures.
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Fineness

This provides information about the content of precious metal (silver, gold or platinum) in a jewellery item. For example, gold is a soft metal, which is why in the jewellery trade it is alloyed with other metals that make it harder and change its colour or even the surface.
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Jewellery sets

In the jewellery trade a set usually means combining three elements: a ring, a pendant and earrings. They match one another not only with regard to the ore and decorative stones used but also to their style. Every element of such a set can usually be bought as a separate piece.
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Sizes

Making a decision about a ring or a wedding ring size will be much easier with a guidebook prepared by the specialists.
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Sapphire

It is a variety of corundum, the second hardest stone existing in nature (after diamond). It is usually blue but can also have other colours, apart from red. It owes this to such elements as iron or titanium.
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Emerald

The name of this most precious variety of beryl comes from the Latin word smaragdus, which means green. Together with ruby, sapphire and diamond, emerald is one of the hardest minerals.
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Topaz

The name of topaz comes from the Greek word topazos, which means search, mainly due to the fact that in the ancient times it was already one of the most precious and desired gemstones
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Onyx

Onyx is another gemstone known since the ancient times. It is a variety of agate with parallel bands of distinctively different colours – light and dark.
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Zirconia

Zirconia – a synthesised gemstone that imitates diamonds perfectly. It is colourless but by using various additions in the production stage, it can have a yellow, purple, brown-purple, olive, green or black colour.
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