Certified Gemologist ® Appraiser (CGA): When you see a "CGA" title after a jeweler's name, it means they are an American Gem Society Certified Gemologist Appraiser. This title is the most highly regarded among peers in the jewelry industry.

CGA titleholders possess advanced knowledge, training, and experience in determining the value of diamonds, gemstones, and jewelry. The CGA title is the most highly regarded among peers in the jewelry industry. Student Requirements: Current employment at an AGS retail firm that has earned the Accredited Gem Laboratory designation

In January 2025, this individual earned the prestigious designation of Certified Gemologist® Appraiser (CGA) by the American Gem Society.

The CGA Program will be offered at AGS headquarters on August 4–5, 2025. The course enrollment fee of $570 is due upon registration. To register, click the button below.

The American Gem Society’s Certified Gemologist ® Appraiser (CGA) and Independent Certified Gemologist ® Appraiser (ICGA) title is the most highly regarded in the industry. Earning these titles requires a diploma in gemology and additional advanced education, and experience in determining the value of gemstones and jewelry.

Deborah A. Villepigue GIA-GG, RMV, AGA, APPA, CGA, AGS-ICGA has assisted judges, celebrities, collectors and individuals in their diamond, jewel and gemological valuation needs. Whether you need an appraisal for insurance purposes, need help with the valuation of an estate or want to determine the true value of your jewelry, we will make the ...

To become a certified gemologist appraiser, you have to acquire a diploma in gemology, plus property-appraisal training and professional experience. You must have access to gem-testing equipment...

2025年2月18日 · Home-based comprehensive geriatric assessment (CGA) improves clinical and process outcomes for at-risk older adults. CGA delivered at home by a comprehensive multidisciplinary team enhances functional status among community-dwelling older adults. Why does this paper matter?

The American Gem Society’s Certified Gemologist ® Appraiser (CGA) and Independent Certified Gemologist ® Appraiser (ICGA) title is the most highly regarded in the industry. Earning these titles requires a diploma in gemology and additional advanced education, and experience in determining the value of gemstones and jewelry.