Knowledge
Our knowledge section provides important background information on gemstones in general, investments and gemmology.
The Colors of Gemstones
The color of a gemstone is not only decisive for its naming, also the value of a gemstone depends strongly on its color. [...]
Birthstones
In der Astrologie und in der Steinheilkunde werden Edelsteine und Mineralien unterschiedlichen Zeiträumen zugeordnet. Grundlage dafür ist die A [...]
On the price of gemstones
The question "How much do gemstones cost?" can certainly be answered, as the price of a gemstone is based on several factors. [...]
Beryl: More than “just” emerald
From the mineral group of beryl, the emerald is probably best known as a green variety. But also other varieties of the beryl group are in demand [...]Gemstone Treatments: How stones are “enhanced”
Since people became interested in gemstones and found that rare and beautiful things are often expensive, there have been attempts at counterfeit [...]
The ruby – Stone of stones
The ruby has been one of the most highly regarded gemstones since time immemorial. Its name comes from "rubens", which means "red". [...]
COLOR-CHANGING STONES
Alongside truly multicolored variations, some gemstones possess definite effects that suggest a color change or at least a change in nuances of c [...]
On the hardness of gemstones
When is a mineral a precious stone? When it is rare? When it is especially beautiful? In reality, most definitions of a gemstone include the mine [...]
