Sterling Silver Citrine Cubic Zirconia Stud Earrings November Birthstone Prong Setting Square Yellow CZ The earrings in the pictures are 7mm studs, enlarged to show detail Earrings are crafted in 925 Sterling Silver Unisex - perfect for men, women or children Earrings are fastened using standard butterfly pushbacks AAA Grade Cubic Zirconia Stones Citrine CZ Stones Citrine is the November Birthstone Square Stones set in Prong Setting Available in sizes 3mm-10mm Size Recommendation: A millimeter mm is approximately the width of a credit card. (i.e. 3mm 4mm are very small) Larger size CZ's have bolder colors, smaller size CZ's have much less color saturation (look more clear-ish).