GIA Vs IGI Diamond Grading

The gia vs igi are two of the most reliable labs that grade diamonds. Their reports provide assurance about a diamond’s carat weight, color, clarity and more – giving you peace of mind when buying or selling one.

They also use a 4 Cs grading system which is widely regarded as the gold standard in diamond evaluation. This system utilizes descriptive terms like eye-clean and flawless to indicate a diamond’s clarity grade.

1. GIA is a U.S.-based lab

If you want to know the difference between IGI Vs GIA Diamonds then you read the article. Since 1931, The Gemological Institute of America (GIA) has been a premier resource for gem grading and analysis, research and education. As the creator of modern diamond grading system, GIA boasts eight campuses worldwide as well as three research centers and 10 laboratories.

GIA is the gold standard in diamond grading and offers several gem grading reports such as their Diamond Grading Report and Diamond Dossier. Furthermore, there are specialized labs at GIA that test and identify various gemstone types; plus there’s the Liddicoat Library with plenty of resources for jewelry professionals. Most recently, GIA installed a darkfield microscope which allows gemologists to see all the fine details on a diamond.

2. IGI is a U.S.-based lab

The IGI has 20 lab locations around the world that grade finished jewelry, natural diamonds and lab grown diamonds. Additionally, it operates 14 schools of gemology that annually train thousands of new professionals in this field.

IGI has been in the gemological business for over four decades, earning itself a place of distinction and leadership within its industry.

In 2018, Chinese conglomerate Fosun International Ltd acquired a majority stake in IGI. This marked an important development in both the company’s business operations and reputation.

During the College of American Pathologists (CAP) accreditation process, laboratory inspectors review records, staff qualifications, equipment and quality control procedures to guarantee patient safety as well as integrity of testing and diagnostic data. They also inspect for signs of fraudulence or negligence within the lab.

3. IGI is a U.S.-based lab

The IGI Laboratory, headquartered in Berkeley, California and established in 1975, is a renowned gemmology and diamond grading laboratory with several locations around the world.

In 2018, a Chinese conglomerate acquired a majority stake in IGI. Bloomberg reported that Fosun is engaged with Deutsche Bank AG regarding a potential sale of the lab.

IGI Laboratory boasts a Biosafety Level 2 (BSL2) lab capable of testing more than 1,000 patient samples daily, offering quick results and efficient turnaround. Launched during the COVID-19 pandemic, this testing capacity has become essential for public health officials.

4. IGI is a U.S.-based lab

The International Gemological Institute is one of the largest laboratories in the world, grading jewelry, natural diamonds and lab grown diamonds. Additionally, it boasts 14 schools of gemology that annually train thousands of jewelry professionals.

Bloomberg recently reported that IGI had been put up for sale by its owner, Fosun Group. The Chinese conglomerate is looking to strengthen its balance sheet by offloading assets.

According to Roland Lorie, CEO of Fosun, the sale is anticipated to close during the first half of 2020. This sale forms part of their plan to offload up to $11 billion worth of assets within 12 months.

5. IGI is a U.S.-based lab

IGI, a global gemological institute, grades finished jewelry, natural diamonds and lab grown diamonds. Additionally, they operate 14 schools of gemology that annually graduate thousands of new jewelry professionals.

IGI’s dominance in the industry is due to their research, support and collaboration with professionals and consumers alike. Their 20 laboratories worldwide evaluate finished jewelry, loose diamonds and colored gemstones for accuracy and authenticity.


CAP accreditation requires laboratory inspectors to examine laboratory records, quality control procedures and overall management. This program has been recognized by the U.S government as being at least as stringent as their own inspection program.

Related Articles

Leave a Reply

Back to top button