This is Akoya pearl processed in Kobe, the city of pearls. The interference color (color when exposed to light) is pink-green. The ring size is adjustable, free size ^ - ^ ◉ Akoya Pearl 3-Row Ring Pearl size: Approximately 6.7mm Material: Surgical stainless steel Ring size: Free size * 2 items bundled: 200 yen off * 3 items bundled: 400 yen off * Repeat customers: Additional 100 yen off Pearls are created by chance in nature, and each one has a different color and shape, and may have growth marks or dimples. The fact that no two pearls are exactly alike is a major attraction of pearls and is proof of genuine pearls. Please understand this before purchasing.