Sell GIA Diamonds | GIA Diamond Buyer – Las Vegas & Henderson, NV

Sell GIA Diamonds

The Gemological Institute of America (GIA) is a non-profit organization committed to research and education in the field of gemology and the art of jewelry. They are based in Carlsbad, California. When you sell GIA-certified diamonds to GIA diamond buyers, you get a better value for it because they don’t need further evaluation and analysis. Read below to learn more about selling GIA diamonds, GIA diamond buyers, and GIA diamond prices.

GIA Certified Diamond Buyer

Do you have a GIA-certified (graded) diamond that you’re not using anymore and want out of your hands? We’ll be happy to take off your hands. So, feel free to sell your GIA diamonds to Nevada Coin Mart. The number of customers and clients we have served can prove to you that we are the best GIA diamond buyer in all of Las Vegas. 

We offer free in-store evaluation for your piece using a state-of-the-art Thermo Scientific Niton X-Ray Spectrometer in order to accurately analyze and measure precious metal contents in your piece. Not only that, it also helps us ensure that you get top-dollar for your items. 

We are open 365 times a year from 9 am to 6 pm, so come visit us at Nevada Coin Mart® 4065 S. Jones Blvd Las Vegas, NV 89103 or call us up at 702-998-4000.


Robert M. Shipley established the Gemological Institute of America in Los Angeles in 1931. Their main mission is to protect buyers and sellers of gemstones by putting up standards to evaluate gemstone quality. Through intensive research, the institute is able to identify gemstones and grade diamonds. The institute also offers courses so that one can become a Certified Gemologist.

In 1934, the very first issue of Gems & Gemology was published. Gems & Gemology is a scientific journal published quarterly by the Gemological Institute of America. The journal is dedicated to researching various gemstones, diamonds, and pearls. It also talks about treatments, different identification techniques, geographic sources, and imitation and synthetics. Each issue contains updates from the GIA and other international gemology sources.

In the early 1940s, Robert M. Shipley developed the 4Cs, which are the four factors that help identify a diamond’s value. The 4Cs stands for carat weight, clarity, cut, and color. Years later, Shipley’s successor Richard T. Liddicoat expanded on the 4Cs and the grading scales. Then, in 1953, the GIA published the very first diamond grading report. The report soon became the international jewelry industry’s benchmark for grading diamonds.


The GIA aims to educating people about gemstones and jewelry. Thus, offering courses in an online platform or through in-person classes through its 12 campus locations worldwide. The GIA offers the following diploma programs such as Jewelry Design Course, Jewelry Design & Technology, and Graduate Colored Stones. Additionally, you they offer programs for non-design courses like Graduate Gemologist, Accredited Jewelry Professional, Comprehensive CAD/CAM, and Graduate Jeweler. Lastly, GIA also offers a program that does not have to do with diamonds but is equally important, which involves pearls.

The GIA awarded its first Graduate Gemology diploma in 1948. If you have a certification you can also become a GIA diamond buyer. 

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