@estellacollection: These created Emerald marquise studs give your outfit a beautiful pop of green. Created in brightly polished solid 14k yellow gold, these lightweight and hypoallergenic flat back earrings are perfect for everyday wear.Details: Size: 4.5MM x 2MM Stone: Lab Created created Emerald Color: Green Shape: Marquise Flat Back Length: 5mm, 6.5mm, 8mm, or 10mm Solid 14k Yellow Gold *All of our flat backs are internally threaded.