If you wish to purchase multiple items, or if there are multiple items in stock, the shipping fee will only be charged once. Please be sure to read the profile and the following explanation. I will not accept price negotiations. I do not know the origin of any of the items. Larimar → Approximately 17.8mm Probably a fox carving (crystal) → Approximately 13.8mm Aquamarine → Approximately 11.2-11.5mm K2 Blue Moon Quartz → Approximately 10-10.2mm Inner diameter 17cm This uses Opelet rubber. The inner diameter has not been changed. The metal parts are made of high-quality, rust-resistant materials, but the specific materials are unknown. I am not knowledgeable about natural stones. I will not be able to answer any questions beyond what is stated above, so please understand. As they are natural stones, there may be dents, inclusions, and scratches. #yumama natural stone #natural stone #natural stone bracelet #Larimar #Larimar bracelet #Aquamarine #Aquamarine bracelet #Crystal #Crystal bracelet #K2 Blue Moon Quartz #Blue Moon