✔ Metal allergy-friendly ✔ One-of-a-kind ✔ March birthstone This product is a handmade item using 14kgf wire. - Materials - Stone: Natural Aquamarine Chain: S925 (Silver 925) / 18kgp (18k gold plating) Wire stone setting: 14kgf (Gold filled) - Size - Stone: Approximately 7.3 x 6mm Chain: Approximately 45cm (adjustable length due to the slide mechanism) ※ This product is scheduled to be shipped within 1-3 days. If you are in a hurry or have any questions about the shipping date, please feel free to contact us. ※ Individual reactions to metal allergies vary. We do not guarantee that everyone will be free from allergic reactions. #theenrich