Highest Credentials Over
30 years Experience
Appraisals While You Watch*
for Jewelry Professionals,
Jewelry Aficionados, &
Gemological Students
Gemstone ID’s
State of the Art Equipment
Treatment Detection
Valuations of Diamonds, Gemstones, Pearls and Jewelry at International Gemological Services
We do not buy or sell jewelry, gemstones or precious metals affording you a truly unbiased appraisal.
An appointment usually takes 20 to 40 minutes per item. Each piece is measured, graded & photographed. You leave WITH your jewelry – usually knowing the appraised value.
Learn more about our jewelry appraisal services…
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.
More about our gemological training…
Articles by Sindi Schloss, GG…
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.
For more information, about jewelry appraisals, gemological education & the gem laboratory, please contact us – 480-947-5866.