TIFFANY & CO. HardWear Ball Stud Earrings (WIll be updating with my photos shortly!) I have actually never worn them, had them forever - I just had them polished up at Tiffany's Tiffany HardWear is elegantly subversive and captures the spirit of the women of New York City. These modern earrings are an everyday staple. Sterling silver 8 mm diameter Designed to be comfortable and easy to wear tiffany.com/jewelry/earrings/tiffany-hardwear-ball-earrings-GRP03142