Archive for March, 2018

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 […]

GIA iD100 Diamond Tester at Mardon Jewelers

Saturday, March 3rd, 2018

Mardon Jewelers just acquired the latest diamond testing device from the Gemological Institute of America, the GIA iD100. This desktop instrument uses spectroscopic technology to separate synthetic and imitation diamonds from natural diamonds. The GIA iD100 was developed to inform and protect both jewelers and consumers. Because of recent technological advances, laboratory grown diamonds are […]

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