Stacking cool blue birthstone rings

■ K10YG 1-stone Aquamarine Enfis Birthstone Ring ¥15,500 + tax

■ K10YG 1-stone sapphire birthstone ring ¥11,000 + tax

■ K10YG 1 Moonstone Birthstone Ring ¥11,000 + tax

■ K10YG 1-diamond birthstone ring ¥12,000 + tax