Bold letters "GCP" in a vertical and horizontal layout on a white background.

Ring Sizing

First, select a ring that fits for the finger.

Engagement ring size chart with ring sizes, lengths in inches, and lengths in millimeters.

Next, measure the diameter opening of that ring.

International ring size chart showing ring sizes in various countries including USA, UK, and others, with measurements in millimeters and inches.

Use the chart below to determine your ring size.

Virtual ring size chart with measurements in millimeters and corresponding ring sizes.