Material: 925 Silver (Can be changed to 10K-18K Gold/White Gold) Gemstone: Natural 4*6mm Emerald (Can be changed to other gemstones) Color: Gold / Silver (Choose your preferred color) This is a high-quality ring, carefully handcrafted by artisans. As it is made-to-order, we will begin production after receiving your order. Customization Feel free to consult with us if you wish to change the gemstone or material. *Because we use large natural stones, the amount of metal needed for the base will also increase. Therefore, please note that the price will generally be 50,000 yen or more if you choose 10K or 18K gold. About Certificate of Authenticity Currently, we are running a campaign at our main store, and we are offering a certificate of authenticity free of charge to customers who request it (normally +3,000 yen). Please note that it will take approximately 1-2 weeks to issue the certificate. Thank you for viewing! Please feel free to comment if you have any questions. Color: Green系 Material: Silver Size: FREE Accessories: Box, Certificate of Authenticity Scratches/Discoloration: None