Problem
Buying rings online means guessing the size — driving returns and resizes. Paper sizers print at inconsistent scales, and a jeweler visit isn't always possible before a purchase or proposal.
Approach
We built a screen-calibrated sizing tool: place a ring over the circle, or a knuckle inside the gold ring, and read the exact size. Live conversion across US, UK/AU, EU, JP and millimetres — private, on-device.
Key Decisions
Dark, quiet, precious-metal UI to match how jewelry is chosen. Sizing first as the foundation — with fit, try-on and generative design built on top as one connected suite.