White Topaz 5mm (April Alternative Birthstone) Square Stud Earrings with Sterling Silver Posts and Sterling Silver Pushbacks. Handmade, hand-selected, real White Topaz earrings, placed in 5mm Square sterling silver studs with sterling silver pushbacks. Color is brilliant in any light! Both gems were selected by me to be as close in color and vibrancy as possible! Note to Seller: WWhiteTopazSquareEar5m1A and WhiteTopazSquareEar5m8A