Stone size: Approximately 15-15.7mm Inner diameter: Approximately 18cm Countless fine inclusions are present, sparkling indoors and outdoors. Please examine the photos carefully and make your decision. Immediate purchase is welcome even if the item is currently under negotiation. If you wish to negotiate a price, please state your desired amount in the comment section first (⁠ꈍ⁠ᴗ⁠ꈍ⁠) Thank you.