by Tom Seguin, Master Gemologist Appraiser | Jan 28, 2016 | Colored Gemstones
The Tucson Gem, Mineral & Fossil Showcase is one of the premier gemand mineral shows in the world. The event takes place annually in late January and February at approximately 40 to 49 different locations across the city of Tucson, Arizona. Most of the shows are...
by Suncoast Gem Lab | Jan 23, 2013 | Colored Gemstones
Transparent colored gemstones are loved for their beautiful colors. How they absorbed the visible light that passes through them determines their color. The study of light absorption by materials is called spectroscopy. Because the rainbow array of color was observed...
by Suncoast Gem Lab | Sep 13, 2012 | Colored Gemstones, Diamonds
Tom Seguin, Master Gemologist Appraiser, explains the cut differences between colored stones and diamonds and ring mount requirements.
by Suncoast Gem Lab | Apr 27, 2012 | Colored Gemstones, Jewelry
On our Suncoast Gem Lab Facebook page we have shared many examples of how gemstones and jewelry are selling for record breaking prices at auction. The latest being the pink diamond that sold at auction for a record $15.8 million. Where is the economic crisis? It...
by Tom Seguin, Master Gemologist Appraiser | Mar 21, 2011 | Colored Gemstones, Ruby, Sapphires
Anil Gupta of Kris Gem USA in New York City shows us some beautiful colored gemstones from Burma and Sri Lanka including Star Ruby, Star Sapphire, and Sapphires in a rainbow of colors. 4016 Cortez Road West Suite 1201 Bradenton, FL 34210 ph: 941.756-8787
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