Gem Stone King 34" Adventurine Chip Necklace 34 Inch 317 Carat 317.00 Carat Natural Aventurine 34 Inch Gemstones may have been treated to improve their appearance or durability and may require special care. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!