Gemstones

Buy & sell gemstones
At Gold & Co we not only buy gold, silver and precious metals, you can also sell gemstones with us. Particularly large colored stones are not only processed into jewelry, but also traded individually as an investment.
Buying diamonds as an investment?
Alongside gold, diamonds are considered to be one of the most valuable things of all. Diamonds are the crystalline and clear special form of carbon, which was exposed to enormous pressure and high heat in the earth's crust.
What you should know when selling gemstones
A golden ring with a precious bright red ruby. Even as a child, Grandma always told us how valuable the ring and the stone were, which she had inherited from her grandmother. 
Ruby, sapphire, emerald & diamond
In our society, diamonds are considered to be THE most valuable gemstones of all. However, diamonds are actually relatively rare. Nevertheless, the diamond, together with the colored stones emerald, sapphire and ruby, is one of the four major gemstones.