Thank you for viewing! Instant purchase OK!! Product Details Natural stone, wine red banded agate [Sardonyx] Stone size: Approximately 18.1mm Inner diameter: Approximately 17cm Discounts available for combined purchases!! Size adjustments (smaller) are available. About Natural Stones The images are of the actual item, but the color and appearance may differ slightly depending on the room lighting and device settings. Natural stones have unique characteristics, and may have inclusions, cracks, chips, dents, black spots, discoloration, etc. There may also be slight variations in size and weight. Please understand. ❀❀❀❀❀❀❀❀❀❀❀❀❀❀❀❀❀ Please feel free to comment if you have any questions.