This is an authentic, pre-loved Van Cleef & Arpels piece. It's possible that there may be some gentle wear. 18-karat yellow gold Diamond Amethyst gemstones Ring can be re-sized by any professional jeweler; however, if re-sized, it will not be accepted for return Our products are 100% genuine. In some cases we purchase merchandise from trusted independent suppliers and not directly from the brand owner. In all cases we stand by the authenticity of every product sold on our site.