Stone Specifications: Machine Cut AAA Quality CZ Size - 4mm Shape - Double Sided Checkerboard Color - White Stone is set in a 1/20 14K Yellow Gold bezel with closed Jump Ring. Jump Ring Specifications: 0.50mm x 2.0mm Closed Wire Size - 24 Gauge (0.020 Inch 0.50mm) Outside Diameter - 0.080 Inch 2.0mm Inside Diameter - 0.040 Inch 1.0mm Finish: Flash Gold Plate