IGI Gemstone Articles

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IGI Gemstone Articles
LAPIS LAZULI

LAPIS LAZULI

Even to the most avid connoisseur, the mere mention of the word Lapis Lazuli conjures up images of the nighttime desert sky filled with stars.

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JADE

JADE

Jade is one of the oldest gemstones known to man, and has been appreciated throughout history as an object of ritual significance, as well as a store of value and wealth.

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Ruby: The Royal Gemstone

Ruby: The Royal Gemstone

Next to diamonds, rubies are one of the most important gemstones in the world. Since ancient times, ruby has been perceived as the "king of gems".

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The Colorful Diamonds Zone (Part 1)

The Colorful Diamonds Zone (Part 1)

Many people will tell you that the most desirable diamonds are colorless or near-colorless. Interestingly enough, this is only true to a certain extent.

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The Colorful Diamonds Zone (Part 2)

The Colorful Diamonds Zone (Part 2)

Continuing from the previous issue, we further discuss the importance that a well equipped laboratory plays in the certification of colored diamonds.

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Synthetic Diamonds: Testing Times

Synthetic Diamonds: Testing Times

Quantum leaps in technology and the huge amount of research carried out both on the scientific and commercial level have created a new generation of synthetic diamonds which are also much more challenging to detect.

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Colored Stones: Yestereday Today Forever

Colored Stones: Yestereday Today Forever

Since early times colored stones have been used for personal adornment and as astrological symbols. Colored stones are also often worn as good luck charms or as one's birthstone.

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