Ricca Jewelry Guide

The Ricca Jewelry Ring Sizer helps you measure your ring size accurately using your phone. Before measuring, the app calibrates the screen using a real-world reference, such as a credit card, ruler, or coin. This ensures that measurements are consistent across different devices and screen sizes. Once calibrated, you can measure your ring and quickly determine the correct size with confidence. Features: • Screen calibration using a card, ruler, or USD coin • Accurate on-screen ring measurement • International size converter (US, BR, EU) • Quick measurement guide for greater accuracy • Save and review previous measurements This tool was created by Ricca Jewelry to help customers choose the correct ring size before buying jewelry online. For best results, calibrate your screen using a physical card or coin before measuring.