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Birthstones are gemstones that represent each month of the year and have special meanings and symbolism. Learn about the history, lore, and properties of birthstones from GIA, the world's leading authority on gemology. Whether you are looking for a gift, a personal adornment, or a way to express your personality, birthstones can offer you a colorful and meaningful choice.
GIA’s New York campus is a state-of-the-art facility in the International Gem Tower – right in the heart of the famed Diamond District. The campus is feet away from thousands of businesses devoted to jewelry. New York is also the gateway to the world’s largest consumer diamond market, and the vast majority of diamonds entering the United ...
Citrine is the transparent, pale yellow to brownish orange variety of quartz. View the Gem Encyclopedia. Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
Kevin Schumacher/ GIA. Color measures a diamond’s absence of color. This is because most “colorless” or “white” diamonds actually contain trace amounts of yellow, brown or gray color. The less color in a diamond, the more desirable and valuable it is. There are 23 color grades on the D-to-Z scale, with D meaning that a diamond has no ...
Website. www .gia .edu. The Gemological Institute of America ( GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. [1] Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to ...
You can send your diamond to GIA for grading and analysis. Many consumers send the diamond through a retailer for packaging, shipping and insuring the item. A jeweler will have to remove your diamond from its setting, since GIA Diamond Grading Reports are only issued for unmounted stones.
The Diamond and Diamond Grading eLearning course brings to life the skills needed to grade the color, clarity and cut of diamonds through video, graphics, images and text. Key topics include: The influence of color, clarity, cut and carat on diamond value. Determining proportions and estimating weight.
