Inner diameter approximately 18cm Rutile quartz width approximately 11mm Other stones used: Aventurine, Crystal We do not accept repairs. Please refrain from returns or price reductions if you are sensitive to these issues. Due to the nature of natural stones, there may be cracks and inclusions. The color may appear different from the actual product depending on the monitor or PC environment you are using. 202501171142ハsb9su48m