This is an authentic, pre-loved Bulgari piece. It's possible that there may be some gentle wear. 18-karat yellow gold Blue & Yellow Sapphire gemstones = approximately 35.00 ct. tw. Approximately 14.5in long Box clasp closure It is customary to treat most gemstones to achieve enhanced color and durability. Some of these treatments may not be permanent, and may require special care. 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.