Bracelet Size Guide

How to Measure

  1. Wrap a flexible measuring tape around your wrist where you normally wear a bracelet.
  2. If you don't have a measuring tape, use a strip of paper or string.
  3. Mark where the end meets and measure the length with a ruler.
  4. Add 0.5" to 1" to your wrist measurement for a comfortable fit.
  5. Reference the size chart below to find your Hatton Labs bracelet size.

For a snug fit, add 0.5". For a looser, more relaxed fit, add 1".

Bracelet sizing

Sizing Tips

Measure your wrist at the end of the day when it's at its largest.

If you're between sizes, we recommend sizing up for chain link bracelets and sizing down for tennis bracelets for a closer fit.

Most of our customers wear a 7" or 7.5" bracelet.

Bracelet Size Chart

SizeLength (in)Length (cm)Wrist Size (in)Fit
6.5"6.516.55.5 – 6X-Small
7"717.86 – 6.5Small
7.5"7.519.16.5 – 7Medium
8"820.37 – 7.5Large
8.5"8.521.67.5 – 8X-Large

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Ring Size Guide

How to Measure

  1. Take a piece of string or a thin strip of paper.
  2. Wrap it around the base of the finger you want to wear the ring on.
  3. Mark the point where the end meets.
  4. Use a millimetre ruler to measure the length of the string.
  5. Reference this measurement in the conversion chart below.

If you already know your ring size in another country's system, use the conversion chart to find your Hatton Labs size.

Download Size Guide PDF

International Conversion Chart

Diam (mm)Circ (mm)US / CAUK / AUEUJPHKKP
17.454.57N55141513
18.257.28P57161715
18.959.39R59181916
19.461.09.5S61192118
19.862.310T62202219

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Necklace Size Guide

Necklace chain lengths

How to Measure

  1. Take a piece of string and drape it around your neck.
  2. Adjust to the length where you'd like the chain to sit.
  3. Mark the string and lay it flat.
  4. Measure the length with a ruler in inches.
  5. Reference the size chart below for the best match.

If you have an existing necklace that fits well, lay it flat and measure end to end.

Sizing Tips

16" sits on the neck and is ideal for chokers and women's sizing.

18" is the most popular length and sits just below the collarbone. Works well on its own or layered.

20" falls a few inches below the collarbone. Our most popular length for tennis chains.

22" is a longer, statement length that sits mid-chest. Great for layering over 18" or 20" chains.

Necklace Size Chart

SizeLength (in)Length (cm)Where It SitsBest For
16"1640.6On the neckChokers, women's sizing
18"1845.7Just below collarboneEveryday wear, layering
20"2050.8Below collarboneTennis chains, pendants
22"2255.9Mid-chestStatement length, layering

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Tennis

Tennis

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925 Sterling Silver Lab Gemstone
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THE HATTON STANDARD

Solid .925 sterling silver. Backed by a 1-year warranty with free shipping on every order.
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£130 £265 50% OFF
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Silver Silver
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14k Gold Plated 925 Sterling Silver
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925 Sterling Silver Lab Gemstone
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The mount came first

In 2019 we stopped buying settings and started making them. The mount is the part nobody photographs and everybody feels: how the stone sits, how much light gets underneath it, whether the chain moves like fabric or like a fence. Ours is exclusive to Hatton Labs and has been refined every year since — the stone lifted higher out of the setting, the sides cut flat so they throw light back like a mirror, the mount itself made heavier and stronger.

  • .925 sterling silver
  • lab-grown stones
  • 18k gold plated
  • in-house mount since 2019
The mount came first

One perfect cut on every stone

Every stone is laboratory-grown. Not as a compromise, but because it's the only way to hold a single cut and clarity across every stone on the chain — and matching is the whole craft in a tennis chain. Nothing is set into anything hollow: it's solid .925 sterling throughout, and our gold pieces are 18k gold plated over that same silver. Never brass, never base metal.

One perfect cut on every stone