*Depending on device viewing stones colors may look darker or lighter. Sold in Pairs Green aventurine organic stone ear gauges double saddle organic ear plug gauges . 2 gauge-6mm 0 gauge-8mm 00 gauge-10mm 1/2 Inch-12mm 9/16 Inch-14mm 5/8 Inch-16mm 3/4 Inch-19mm 7/8 Inch-22mm 1 Inch-25mm.