Knowledge
Our knowledge section provides important background information on gemstones in general, investments and gemmology.

Why Rubies and Coloured Gemstones Are Becoming Increasingly Important as an Investment
Gemstones have fascinated people for centuries — through their beauty, rarity, and timeless durability. Yet high-quality coloured gemstones hav [...]
Gemstones as an Investment in 2026 – Stable Tangible Assets in Focus
In times of volatile markets, many investors are looking for stable alternatives. Gemstones are increasingly coming into focus. But why are they [...]
Synthetic Gemstones
When it comes to the authenticity of gemstones, the question usually concerns natural gemstones versus artificial gemstones. [...]
The Top 10 Investment Gemstones
What gemstones are good investments? What is the minimum size of gemstones that can be considered for investment? [...]
The most important gemstone mines in the world
The rubies from the Mogok Valley are famous for their unique color: a pure red with a slight blue tinge. These so-called pigeon blood rubies are [...]
Spinel: more than just carbuncle stone
For a long time, the gemstone spinel led a niche existence and was mistaken for ruby. However, it deserves more recognition, and not just because [...]
Gemstones as a legacy
Apart from the added aesthetic value of gemstones, their particular advantage lies in their high concentration of value in the smallest of spaces [...]
Gemstones for engagement, wedding and anniversary rings
Rings have always been a symbol of love and eternity. When exchanging rings at a wedding, for example, the future spouses promise each other fide [...]
