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 skilled artisans. As it is made-to-order and entirely handmade, production will begin after your order is placed. Customization Options If you require a specific ring size, please let us know in the comments. We also welcome inquiries regarding changes to gemstones or materials. *Please note that because we use large natural gemstones, the amount of metal required for the base will be greater. Therefore, the price will generally be over 50,000 yen if you choose 10K or 18K gold. Please be aware of this beforehand. Regarding Certificates of Authenticity Currently, we are running a campaign at our main store, and we are offering certificates of authenticity free of charge to customers who request them (normally +3,000 yen). Please allow 1-2 weeks for issuance. Thank you for viewing! Please feel free to ask any questions in the comments. Color: Green系 (Green-based) Material: Silver Size: FREE Included Items: Box, Certificate of Authenticity Scratches/Discoloration: None