Knowledge
Our knowledge section provides important background information on gemstones in general, investments and gemmology.
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 [...]
Performance of gemstones: a brilliant investment
Compared to other forms of investment, the appeal of investing in gemstones lies in their stable performance. They show hardly any volatility and [...]
Gemstones on trend: Which jewels are currently in demand?
We reveal which gemstones are particularly popular at the moment and why classic stones and cuts are always on trend. [...]
From Paraiba to Mozambique: gemstones from legendary deposits
The region around the municipalities of Muzo, Coscuez and Chivro is part of the emerald belt in Colombia, where ideal geological conditions for t [...]
Gemstone steps: Combining minerals to create natural works of art
Steps form on the walls of cavities and are therefore often part of druses. These are cavities in the rock that are not completely filled with cr [...]
