Posts Tagged ‘Mogok’

Marcus & Company Art Deco Ruby & Diamond Brooch

Saturday, March 17th, 2018

Just acquired: this sweet little Art Deco brooch. During the buy, we noticed a serial or stock number engraved on the back, but didn’t see a quality or maker’s mark. The piece tested to be 14K white gold,and was set with Old European cut diamonds and a fine natural star ruby, so we were happy […]

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What is the Best Color for Blue Sapphire? Part 3

Thursday, September 10th, 2009

Blue sapphires are found in many countries worldwide. The geological conditions in which they form determine the quality of the sapphire crystals. Some locales are known to produce exceptionally fine crystals, yielding extra fine gems. Each locale produces a range of gem material that shares common characteristics that are directly related to its unique geology.  […]

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Posted in Gemstone of the Month, Gemstones | 1 Comment »

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