Knowledge
Our knowledge section provides important background information on gemstones in general, investments and gemmology.
Where to buy gemstones?
Learn where to buy gemstones and which supplier is suitable for your needs. [...]
Cultures and Gems – Mayas, Aztecs and Incas
Learn which gemstones the Aztecs, Maya and Incas particularly valued & how they were used in the daily life of Native Americans. [...]
The most expensive and valuable gemstones in the world
Gemstones are extremely popular as jewelry, collectibles or investments. We present you the most valuable and most expensive sold gemstones in t [...]
Gemstones and Cultures – India
In India, the trade and wearing of gemstones as jewelry have been part of and inseparable from the culture for thousands of years. [...]
The history of gemstones
From Neanderthal to Modern times - the history of man and gemstone is long. [...]
Gemstone identification
Each type of gemstone has unique physical & optical properties. With the necessary equipment & expertise, each stone can be clearly identified. [...]
The most common settings for gemstone jewelry
What are the most common settings for gemstones in jewelry, especially rings? A brief overview of the main shapes. [...]
Inclusions in gemstones
Gemstone inclusions consist of material that has been trapped during the formation of a mineral. Inclusions affect the value, but can help determ [...]
