Then, High-Value Semi-Precious Gemstones consist of gems like tanzanites, opals, pink sapphires and paraiba tourmalines. Lastly, semi-precious stones include topaz, peridot, amethyst, and more.

The gemstone market value is $23bn and growing, as investors increasingly look to precious stone alternatives to the ...

Gemology is the science of identifying gemstones. Gemologists examine gemstones—both discovered raw and synthesized in the laboratory—using microscopes, computerized tools, and other grading ...

Choosing a colored gemstone can give you more impact for your money. Not only do sapphires, emeralds, and rubies offer breathtaking beauty, but they also hold strong investment value.

It could be five, 10 years before you see a significant increase in value,” he says. “Gemstones are meant to be collected, kept, and passed down. They are things of beauty that when you see ...

The irradiation of gemstones in research reactors is a widespread practice, carried out to enhance their colour and increase their market value. The IAEA works with national regulators to ensure this ...