Chameleon Diamond Value, Price, and Jewelry Information
Professionals will tell you never to trust a trade name used to describe the appearance of a fancy colored diamond. Trade names are unofficial terms…
Hybrid Gemstones
Some treatments add lab-created material to mined gemstones. The part-natural, part-synthetic nature of these gems has prompted some in the…
Assembled Gemstones
An assembled gemstone is constructed from two or more combined materials. Gemstone doublets and triplets, intarsias, and rhinestones are all…
Dye Testing
Gems are frequently dyed to enhance their color. Distinguishing natural from enhanced stones is an essential skill for gemologists. The materials…
Hot Point Testing
Hot point testing can determine if some gem materials are plastic imitations. It can also reveal if a stone is treated with wax or plastic. By Donald…
How to Use the 10X Loupe
The simple 10X loupe fits in your pocket and costs less than any other piece of gemological equipment. You’ll learn more with it than any other…
Gray Diamond Value, Price, and Jewelry Information
Diamonds with a pure gray hue are a rare treasure indeed. More often, gray is mixed with blue or violet hues, but it can present as a modifying hue alongside…
Yellow Diamond Value, Price, and Jewelry Information
When someone mentions diamonds, the first image that most people think of is the colorless variety. It may surprise you to learn that only a tiny…
Brown Diamond Value, Price, and Jewelry Information
The most common of all fancy colors that can be expressed by diamonds is brown. Some claim that approximately 98% of all mined diamonds (gem-quality…
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