We do not buy or sell jewelry, gemstones or precious metals affording you a truly unbiased appraisal. Our courses are designed to stimulate and excite through in depth knowledge of colored gemstones & diamonds. We provide a hands-on learning experience of all facets of gemstones. As a Center for Training and Research, we assist with any gemstone questions from overseas purchases to garage sale, online or TV purchases.
Sindi Schloss is founder & president of International Gemological Services - a full service, independent jewelry appraisal firm & School of Gemology which began in 1983. Ms. Schloss has numerous accomplishments & awards in gemology, appraisal science & world adornment, as well as memberships to the major gemological associations & professional appraisal organizations.
Sindi Schloss is founder & president of International Gemological Services - a full service, independent jewelry appraisal firm & School of Gemology which began in 1983. Ms. Schloss has numerous accomplishments & awards in gemology, appraisal science & world adornment, as well as memberships to the major gemological associations & professional appraisal organizations.
Services
Sindi Schloss is founder & president of International Gemological Services - a full service, independent jewelry appraisal firm & School of Gemology which began in 1983. GIA Graduate Gemologist includes Diamond Certificate, Colored Stones and Colored Stone Gem. Synthetic vs. Natural Amethyst Detection seminar, Clarity Enhanced Diamond seminar, Treatment and.
A fun, interactive experience where you can watch the process and, if interested, see your gemstone under the microscope. This office is in a secure environment with a bank vault. If you have a large number of items, you may leave the jewelry being appraised & pick up the items when the written appraisal is completed.
To provide "hands-on" practical gemstone experience, leading to greater gem knowledge and retention. Training in use of gemological equipment and gem testing techniques, leading to positive gemstone identifications. To provide in depth gemstone information, resulting in knowledgeable gem purchasing (off street, gem shows, traveling, everyday business).
The Laboratory has all of the basic gemological equipment necessary for identifying colored gemstones as well as advanced equipment which aids in more difficult determinations. SSEF Diamond type spotter which aids in detecting some advanced diamond treatments and synthetics. Natural versus treated fancy color diamond detection might require more advanced equipment than this laboratory has available and might need to be sent to GIA.
Reviews (4)
Pauline Spear
Jan 24, 2022
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Extremely knowledgeable, fascinating business. She also offers classes. What i found the most refreshing, was how down to earth, real and engaging she was. I instantly felt comfortable speaking with her about my jewelry. She gained my utmost respect and confidence in her abilities. I just found something I will be taking to her soon to get her help in identification.
Marcy Rosemond
Feb 05, 2021
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Art Of Pet Grooming
Sep 24, 2019
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Nancy M.
Dec 30, 2017
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