Find Your Perfect Ring Size
Calibrate your screen, align your ring, or use a paper wrap — instant SA/UK and US sizes.
Screen Calibration (for on-screen ring accuracy)
- Place a standard bank card on your screen.
- Drag the slider until the on-screen card matches your real card’s width (85.6 mm).
Scale: – px/mm • Accuracy –
Internal Diameter (mm)
mm
Typical ranges: women 15.5–18.5 mm, men 18–22 mm.
On-Screen Ring (align to your ring)
Calibrate first. Inner edge = diameter. Outer edge = band width.
17.3 mm
Finger Circumference (mm)
Wrap a thin strip around the base, mark overlap, measure length.
mm
Band Width
2.0 mm
The outer ring visual shows your selected band width. Wider bands feel tighter; we adjust the recommendation.
Metal, Diamonds & Estimated Weight
Diamond accents
Metal— g
Diamonds— ct
Total— g
Select metal & accents
Estimates use inner circumference × band width × thickness (metal density by karat) + melee diamond model. Actuals vary with profile & comfort fit.
Your Size
SA/UKN
US7
Diameter17.3 mm
Circumference54.4 mm
Recommended size (with band width):
UK N • US 7
Tip: choose the smaller size for slim bands (≤2 mm) and larger for wide bands (≥6 mm). Fingers are larger later in the day & in heat.