Geographic Origin of Colored Gemstones

The geographic origin of most gemstones has no affect on cost or value. If the origin is accurately known, it can be an interesting part of the “story” created in the sales presentation. The origin of many colored gemstones can be determined by a combination of color and an analysis of the inclusions, which may be particular to the geology of certain areas of the world.

There are some exceptions to this general rule and even here, only certain qualities of stones from the list below will command a premium price. Most of these locations produce a wide range of quality and most would be considered typical commercial market quality.

• Ruby, sapphire, jadeite from the Mogok River valley in Myanmar
• Electrically bright turquoise green tourmaline from the Paraiba Mine in Brazil
• Velvety soft, slightly violet blue sapphire from Kashmir
• Deep and fiery yellow green demantoid garnet from Russia
• Alexandrite chrysoberyl from Russia