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What is IGI Certification?

What is IGI Certification?

By Carat Perfect Team Mar 30, 2025


Diamond certifications are like a diamond's resume - they tell you all about its background, qualities, and characteristics. With the rise in popularity of lab-grown stones, understanding certification like IGI, Lab Grown, and GIA  has never been more vital for buyers looking to invest in their sparkling future. We’re here to break down everything you need to know about diamond certifications.. Let’s dive in!

What is Lab Grown Diamond Certification?

Lab grown diamond certification is an essential part of ensuring you get the highest quality stone for your money. Just like you wouldn't buy a car without checking its specs and history, you shouldn't invest in a lab diamond without a thorough certificate. These reports, issued by respected third-party labs like IGI or GIA, give you the full scoop on the diamond's grades for cut, color, clarity and carat weight. They use high-tech equipment to examine every facet and inclusion under 10x magnification, so you can trust their expert assessment is legit. 

It also proves your diamond is definitely lab grown, not mined, a key for avoiding any origin confusion. Plus, having a standardized grading report lets you easily compare different diamonds to find your perfect match. Carat Perfect always provides certificates with their stones, giving you total transparency and peace of mind. So when shopping for a lab diamond, make sure a rock-solid certification is part of the package!

What is IGI Certification?

When shopping for a lab created diamond, you want to be confident you're getting a high-quality stone at a fair price. That's where IGI Certification comes in. The IGI, or International Gemological Institute, is the leading authority in grading and certifying lab grown diamonds. They provide independent, reliable assessments of a diamond's key characteristics - the famous "four Cs" of cut, color, clarity and carat weight. An IGI certificate gives you an expert evaluation of the diamond's quality so you know exactly what you're buying. Most lab diamond producers and retailers use IGI for their certifications, so IGI grading has become the trusted standard across the industry. 

So when you see an IGI certificate, you know you can trust what it tells you about the diamond's characteristics and value.

What About GIA Certification?

The GIA (Gemological Institute of America) is the most respected and well-known diamond grading laboratory in the world. For natural diamonds, a GIA certificate is considered the gold standard, providing consistent and reliable grading that buyers can trust. However, the GIA has only recently started grading lab-grown diamonds. As a result, very few lab-created diamonds on the market today come with a GIA certificate. The vast majority of lab diamonds are instead graded by the IGI (International Gemological Institute). 

Additionally, each IGI certified lab diamond is laser inscribed with the unique IGI report number and the words "lab grown". This inscription is microscopically small and not visible to the naked eye, so it won't impact the appearance or brilliance of your diamond at all. But it provides an extra level of assurance that your diamond is an authentic, high-quality lab-grown stone. When you choose an IGI certified lab diamond from Carat Perfect, you can have total confidence in the quality and specifications of your beautiful, eco-friendly, budget-friendly lab-created diamond.

 

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