This is a baby ring necklace featuring mystical, lustrous black spinel. Perfect for everyday wear or special occasions. Recommended for those who want to add sophisticated elegance to their simplicity. Black spinel emits a delicate sparkle every time it catches the light, captivating those who see it. It adds a touch of luxury and seems to uplift your mood. I believe this piece, with the positive energy of black spinel, will give the wearer confidence and strength. Black Spinel (August Birthstone) Courage, warding off evil, breakthrough, amulet The necklace is made of hypoallergenic surgical stainless steel, 40cm long. If you would like to extend the chain length, please contact us before ordering. It's an additional 50 yen for every 5cm. Inner diameter of the ring: approximately 10mm Materials: Black Spinel 6mm Surgical stainless steel necklace (sus316) Artistic wire (gold)