Sterling Silver January Birthstone Stud Earrings with Swarovski Crystals 4 mm 1/2 ct total These February Birthstone Stud Earrings Are Made With Genuine Swarovski Crystal Elements Beautiful Vibrant Birthstone Colors Very Bright and Good Looking Excellent Quality Sterling Silver Settings Made in the USA Each stone is 4 mm in diameter equal to the size of a 1/4 carat diamond Small understated size is great for women and young girls alike