This article was developed from information submitted by Jon Phillips, Corona Jewellry Company, Toronto, Canada. A diamond that the company acquired was only .18 carat but proved to have an inter- esting purplish red inclusion. The…
Gem NotesSpinels offer one of the best choices for jewelers looking to create attractive designs from a natural product that boasts all the attributes that gemstones are supposed to exhibit. The market is currently enjoying a…
Market TrendsIn late 2009, the Accredited Gemologists Association called attention to “ruby†products being sold as natural ruby in spite of the presence of a considerable amount of lead-glass component in the stones. In a hidden…
Featured ArticlesIt was only in the early 1980s when scientists like the well-known mineralogist and gemologist George Bosshart demonstrated the usefulness of spectrometers in gemstone analysis. Surprisingly enough, only a few laboratories jumped on the train…
Featured ArticlesIn general, the market is feeling positive as buyers are slowly returning to the marketplace. Stores seem to be filling holes in the middle range of diamonds replacing the ones they sold over Christmas. The…
Diamond MarketThe Tucson Gem Shows are widely regarded as a reliable indicator of the strength of the colored stone industry. In all the years that this author has attended, I cannot recall another year where so…
News Archive