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For centuries, scholars, mystics and religious leaders have ascribed special properties to gemstones. An early reference to this practice (Exodus 28) can be seen in the Breastplate of Aaron, a vestment worn by high priests. The breastplate contained twelve gemstones representing...

The Zeiss 10X Jeweler's Loupe is one of the finest hand-held optical devices made. To maximize its effectiveness, follow these step-by-step instructions with images.

If diamonds as a study is of interest to you, here are some links to some sites and articles that we think you'll find interesting.

Many people watch the “Antiques Road Show” and ponder a precious find in their garage or attic. Experience has shown, they might not have to go that far. That box of accumulated personal and inherited jewelry items on the dresser may hold more value than its owner realizes....

TIMELINE of Major Jewelry Styles and Developments Georgia 1714 – 1830 Victorian 1837 – 1900 Art Nouveau 1890 – 1915 Edwardian 1901 – 1914 Tolkowsky Cut Diamond 1919 Art Deco 1920 – 1935 Transitional Brilliant Cut Diamond 1925 – 1940 Retro 1935 – 1945 First Synthetic Diamond...

In 1919, a 19 year old student, Marcel Tolkowsky, working on his master’s thesis, wanted to see, as a mathematician, if it were possible to establish a scientific basis for the perfect cut, based on the diamond’s ability to refract light. He confirmed what the better...

What’s on a laboratory certification report? How are the 4C’s represented, and what does it all mean? Click here to find out. The wise shopper is cautioned that all clarity and color considerations are for naught in an improperly cut diamond. The cutting (also called...

The beauty of a diamond is seriously compromised if the pavilion area has a layer of oil or dirt on it. With proper care and cleaning your diamond can look like new for a lifetime. Diamonds are organic in nature so other organic substances “stick” to them. Oils of all...

This learning program is designed for beginner through advanced student. All information for all levels will be presented together. The beginning level material will appear in blue, the intermediate in burgundy and the advanced in italic red. To be able to start shopping at least...