Stunning turquoise and Green Agate Pendant in Sterling Silver

Vintage diamond shaped sterling silver pendant that is hand made. It is set with a stunning bird's eye agate that is turquoise and green with a few spots of red, brown and white. Stone has chamfered or beveled edges. Bezel is scalloped. 

Measures 2 1/8" by 1 1/2" wide. Weight: 20.4 grams. Silver is tarnished. No hallmarks. Acid tested. (I almost kept this)