This is an authentic, pre-owned Louis Vuitton piece. It may be possible that there is some gentle wear. 18-karat yellow gold Faceted prong-set diamonds = approximately 0.08 ct. Tw. Colour = F-G; clarity = VS Ruby and Sapphire gemstones Post backs It is customary to treat most gemstones to achieve enhanced colour 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.