Size Guide

We have prepared this size guide to assist you in selecting the right ring size. You can check the diameter for each Japanese size (JP) in the list. Please note that the fit may slightly vary depending on the design, so use this as a reference for accurate sizing.

Additionally, if you place an order through our salon, contact form or Instagram DM, we offer half-size (#0.5) increments. Feel free to reach out for assistance.

Size - Diameter

JP 5: φ1.45cm (0.57 inches)

JP 6: φ1.50cm (0.59 inches)

JP 7: φ1.52cm (0.60 inches)

JP 8: φ1.55cm (0.61 inches)

JP 9: φ1.58cm (0.62 inches)

JP 10: φ1.60cm (0.63 inches)

JP 11: φ1.65cm (0.65 inches)

JP 12: φ1.68cm (0.66 inches)

JP 13: φ1.70cm (0.67 inches)

JP 14: φ1.75cm (0.69 inches)

JP 15: φ1.78cm (0.70 inches)

JP 16: φ1.80cm (0.71 inches)

JP 17: φ1.82cm (0.72 inches)

JP 18: φ1.85cm (0.73 inches)

JP 19: φ1.90cm (0.75 inches)

JP 20: φ1.95cm (0.77 inches)

JP 21: φ1.98cm (0.78 inches)

JP 22: φ2.00cm (0.79 inches)

JP 23: φ2.05cm (0.81 inches)

JP 24: φ2.10cm (0.83 inches)

JP 25: φ2.12cm (0.83 inches)