IGI - International Gemological Institute, Antwerp

IGI - International Gemological Institute, Antwerp

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About

Largest Independent Gem Certification Institute for Diamonds, Colored Gemstones & Fine Jewelry.

The Worldwide Standard of Excellence for trade & consumers International Gemological Institute (IGI) is the World's largest Independent Laboratory for testing and Grading Gemstones and Fine Jewelry, renowned for its quality service and extensive experience. Since inception in 1975, IGI has set out to communicate the quality of diamond to the trade and consumers alike. Below you can find few achiev

Photos from IGI - International Gemological Institute, Antwerp's post 16/06/2026

Every piece begins with an idea.

From the first sketch to the final polish, each step reflects our commitment to craftsmanship, precision, and attention to detail.

Behind every creation is a process driven by passion, expertise, and the pursuit of excellence.

This is how a vision becomes jewelry.
This is the Comete way.

13/06/2026

Every diamond shape has its own character, brilliance and appeal. Knowing the difference is the first step to mastering diamonds.

08/06/2026

Pearls are formed in different regions around the world, each with distinct characteristics.
Origin plays a major role in size, color, and overall quality.

05/06/2026

Whether you’re drawn to the soft, vintage romance of a Cushion, the modern, intense fire of a Radiant, or the graceful, elongating allure of a Pear cut, your diamond shape defines your personal style.
Which one speaks to you?

Photos from IGI - International Gemological Institute, Antwerp's post 03/06/2026

While clarity, cut and carat weight all play a role, color is the primary driver of beauty and value. Gemologists evaluate stones based on three specific pillars:
-Hue: The actual color (e.g., pure red).
-Tone: How light or dark the color is.
-Saturation: The intensity or vividness of the hue.
When these elements are perfectly balanced, the result is a masterpiece.

01/06/2026

June’s birthstone: Pearl
Symbolizing purity, loyalty, and the beauty of simplicity.

30/05/2026

Black diamonds typically get their color by the presence of dark inclusion crystals. These unique impuritiesgive them their intense, opaque depth and a bold, rebellious aesthetic that stands out from the crowd.

28/05/2026

The Asscher cut offers a vintage, architectural elegance that differentiates it from the classic emerald cut, creating a look that is both historic and timeless.

26/05/2026

It takes more than a keen eye to grade a gemstone; it takes world-class training. Our IGI-certified experts bring scientific precision to the vibrant world of colored stones.

22/05/2026

The cut of a diamond determines its soul. Always prioritize the cut to ensure your diamond truly shines.

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Schupstraat 1-7
Antwerp
2018