Please read the profile before purchasing m(_ _)m Platinum Post Earrings PT900 ★4mm Perfect size for everyday wear! The post is stamped with PT.900. (Not a coating.) ※Silicone catch ※Nickel-free catch Two types are included. The stone is cubic zirconia. ※Also known as artificial diamond. ✨AAA grade brilliance 【Cubic Zirconia】 An artificial stone with properties very similar to diamonds that reflect light and have a beautiful shine. The 16th photo compares it to a real diamond. ★It has a sparkle like a real one. (The ring is not included) It has an elegant shine and can be used regardless of age. (Very beautiful) Because it is small, it is a size that is suitable for everyday use and the office. ※5mm and 3mm sizes are also available. ▪️Illustration model's ear length: 6.3~6.5cm Made in Japan for peace of mind. ★PT900.K18 post earrings Allergy-friendly post earrings are also available.