LovEnter 18k Rose Gold Plated Multi Crystal Butterfly Colorful Bowknot Studs Earring Nickel Free--Suitable for wearing everyday. The main stone measures 9mm diameter. Gemstone: High Quality (Tarnish free) Crystal Available in many more colors and styles. Click LovEnter above to see more! Best for Every Occasion; Wedding, Party, Gift, Birthday, Anniversary, Christmas, Mother's Day, Prom, Valentines--Arrives in Gift Box Sold exclusively by LovEnter.