By: Jeffrey M. Bertman Graduate Gemologist Although some people think that all gold is yellow, gold is often alloyed with other metals to [...]

By: Jeffrey M. Bertman Graduate Gemologist When the term “diva” was originally coined to mean the primary female singer in an opera company, [...]

By: Jeffrey M. Bertman Graduate Gemologist Essentially, the highly proficient watch known as a “chronograph” occupies the same place on wearers’ wrists that [...]

By: Jeffrey M. Bertman Graduate Gemologist There has been a creative explosion recently in the ways that rings are designed and worn. While [...]

By: Jeffrey M. Bertman Graduate Gemologist While many pieces of estate and heirloom jewelry have a great deal of character and carry much [...]