Ring Sizing

A ring should feel secure without pinching, and slide over your knuckle with a little gentle resistance — snug enough that it won't spin or slip off, easy enough that you can take it on and off. Getting there is simple with a bit of care, and a half-size is the difference between a ring you forget you're wearing and one you keep fidgeting with.

Find your size at home

You don't need a jeweler in the room to get a reliable starting point. Two methods work well:

1. Measure a ring you already own. Take a ring that fits the correct finger comfortably and measure the inside diameter across the middle with a ruler in millimeters. Match that measurement to a ring-size chart — it maps cleanly to a standard size.
2. Wrap and measure. Snug a thin strip of paper or string around the base of the finger, mark where it overlaps, and measure that length in millimeters. That's your finger's circumference, which also maps directly to a size.

A few things change the answer, so control for them: measure late in the day, when fingers are at their largest, and only when your hands are warm — cold fingers can shrink as much as a full size. If you land between sizes, round up; loosening a tight band is harder than snugging a loose one.

What "comfort fit" means

"Comfort fit" refers to the inside shape of the band. A standard band has a flat interior; a comfort-fit band is gently rounded on the inside so it glides over the knuckle and rests more softly against the skin. Because that rounded profile reduces contact, comfort-fit bands tend to feel about a half-size looser than a standard band of the same marked size — so if you're sizing for a comfort-fit ring, account for it.

Resizing realities

Most solid bands can be resized up or down a size or two without trouble, but the metal and the setting decide how easy it is:

• Plain or simple bands in gold or platinum resize readily.
• Eternity bands — set with stones all the way around — usually cannot be resized, because there's no plain metal to cut and rejoin.
• Tension settings, which rely on the band's spring to hold the stone, are difficult or impossible to resize safely.

If you're choosing one of the harder-to-resize styles, it's worth getting the size right the first time.

When in doubt

If you're buying a surprise, or simply want certainty, order an inexpensive plastic ring sizer to wear for a day, or reach out to our concierge — we'll help you measure, talk through comfort fit, and make sure the ring is right before it ever ships. Getting the fit perfect is part of what we do.