Posts Tagged ‘American Gem Trade Association’

The Mardon Way- Fine Gems

Wednesday, May 17th, 2017

Mardon has developed its reputation as a fine jeweler by creating its own way of doing business. The Mardon Way is based on our passion for fine colored gemstones. Because we love the richly colored treasures that Mother Nature has created for us, we’re dedicated to setting these fine colored gemstones into beautifully made pieces […]

Vintage Modernist Munsteiner Jewel

Saturday, July 16th, 2011

Want to own a piece of historical art jewelry? We are pleased to showcase this wonderful handmade Modernist brooch/pendant of 18k yellow gold set with diamonds and a fabulous red fantasy cut tourmaline weighing 10.05 carats, created by the brilliant lapidary artist, Bernd Munsteiner.

Gemology 101- How to Grade Colored Gems

Wednesday, June 9th, 2010

Finally, after much hard work and thought, we've launched, or rather relaunched our Mardon Colored Stone Grading System. Last year we posted most of this system along with our Gallery of Gems, but were never really satisfied with the format. Our excellent local internet consultants, Frye/Wiles, suggested a more internet-friendly way of presenting the system […]

Member - American Gem Society Member - American Gem Trade Association Polygon - The Jewelers Information Highway Harmony Recycled Precious Metals Firemark Diamonds