NWT Australian Black Tourmaline Lever back earrings

NWT Australian black Tourmaline, lever back earrings set in surgical Steel see photo. Stainless steel will not need to be polished like silver, resist tarnishing with normal wear. Total Ctw is 4.75. The stones are an Emerald cut with a 4 prong mounting. Earrings are approximately. 1” x 1/4”. Black Tourmaline is very RARE, hardness is 8 on the Mohn scale,