Tear-drop, Emerald and Diamond Pendant, .80 TCW The emerald is a nice quality 6 x 4 mm, pear shaped stone estimated to weigh .50 carat. The origin of Emerald is Colombian. A halo of diamonds surrounding center is estimated to be 1/3 carat.The size of the pendant is .68 inch long x 1/3 inch wideGIA Gemologist inspected and evaluated.