The Crystia Jewelry Size Guide

Not sure about your ring size or which necklace length to choose? We get it. Buying jewelry online can be tricky. That’s why we created this complete sizing guide. Grab a piece of string, a strip of paper, or a ruler, and let’s find the exact measurements for your next favorite piece.

How to Measure Your Ring Size at Home

Getting your ring size right is easier than it looks. You don’t need fancy jeweler tools – just a piece of string (or a thin strip of paper), a pen, and a ruler.

The 3-Step Method:

  1. Wrap it: Wrap the string or paper comfortably around the base of your intended finger.
  2. Mark it: Use a pen to mark where the ends overlap (or just cut it, as shown in our guide).
  3. Measure it: Lay the string flat, measure the length in inches or millimeters with your ruler, and compare it to our chart below to find your exact US size.
crystia rings size guide

US Size

String Length

Size 4

1.84″ / 46.8 mm

Size 5

1.94″ / 49.3 mm

Size 6

2.04″ / 51.9 mm

Size 7

2.14″ / 54.4 mm

Size 8

7.9″ 2.24″ / 57.0 mm

Size 9

2.34″ / 59.5 mm

Size 10

2.44″ / 62.1 mm

Size 11

2.54″ / 64.6 mm

Size 12

2.65″ / 67.2 mm

Size 13

2.75″ / 69.7 mm

Crystia’s Pro Tips for the Perfect Fit:

Before you lock in your size, keep these quick tips in mind to avoid any surprises:

  • Timing is everything: Your fingers actually change size throughout the day. Always measure them in the evening when your hands are warm and at their largest. Cold fingers shrink!
  • Mind the knuckle: If your knuckle is visibly wider than the base of your finger, measure both areas. Pick a size right in between so the ring slides over your joint smoothly but doesn’t spin around once it’s on.
  • Thick bands feel tighter: If you’re eyeing a ring with a wide or chunky band, we highly recommend sizing up by a half or a full size for better comfort.
  • Caught between two sizes? Always size up. A slightly loose ring is much better (and safer) than one stuck on your finger.

Necklace Length Guide

Finding the perfect necklace isn’t just about picking a beautiful chain—it’s about knowing exactly where it will sit on your chest and how it frames your neckline.

crystia size chart

14″ / 35.6cm

Choker (Wraps closely around the neck)

16″ / 40.6cm

Collar (Sits at the base of the neck)

18″ / 45.7cm

Just below the collarbone

20″ / 50.8cm

Upper chest

22″ / 55.9cm

Mid-chest

24″ / 61.0cm

Center of the chest

26″ / 66.0cm

Below center of the chest

28″ / 71.1cm

Just below the bust

30″ / 76.2cm

Mid-abdomen

Crystia’s Pro Tips for Styling & Fit:

Our visual guide gives you a great starting point, but keep these insider tips in mind to get the exact look you want:

  • Master the layered look: Want to wear multiple chains without them getting tangled in a messy knot? The golden rule of layering is to leave a 2-inch gap between each piece. A foolproof everyday stack: start with a 14″ choker, add a 16″ simple chain, and finish with an 18″ pendant necklace.
  • Your height matters: A standard 18″ (45.7cm) chain falls perfectly just below the collarbone for an average height. If you are petite (under 5’4″), that same chain will sit a bit lower. If you are taller, it will sit closer to your neck.
  • The “V” vs “U” shape: A plain chain rests in a soft, round “U” shape. But as soon as you add a pendant or a charm, the weight pulls the chain down into a “V”. This makes the necklace drop slightly lower on your chest, so keep that in mind if you’re measuring for a specific neckline.

Bracelet Size Guide

Finding your perfect bracelet size is a two-step process: first, you find your exact wrist measurement, and then you add a little extra length depending on how you like to wear your jewelry.

How to Measure Your Wrist:

  • Mark where it overlaps and measure the length against a ruler. This is your base wrist size.
  • Grab a flexible measuring tape, a strip of paper, or a piece of string.
  • Wrap it around your wrist just below the wrist bone (where you would naturally wear a bracelet).
crystia bracelets size chart

Wrist Circumference

Corresponding Size

5.5″ (14 cm)

6.3″ (16 cm) ± 0.4″ (1 cm)

5.9″ (15 cm)

6.7″ (17 cm) ± 0.4″ (1 cm)

6.3″ (16 cm)

7.1″ (18 cm) ± 0.4″ (1 cm)

6.7″ (17 cm)

7.5″ (19 cm) ± 0.4″ (1 cm)

7.1″ (18 cm)

7.9″ (20 cm) ± 0.4″ (1 cm)

7.5″ (19 cm)

8.3″ (21 cm) ± 0.4″ (1 cm)

7.9″ (20 cm)

8.7″ (22 cm) ± 0.4″ (1 cm)

8.3″ (21 cm)

9.1″ (23 cm) ± 0.4″ (1 cm)

Crystia’s Pro Tips: Choose Your Fit

Once you have your base wrist measurement, you need to add a bit of length for comfort. A bracelet that is exactly the size of your wrist will be too tight to clasp!

  • The Loose Fit (Add 1 ÂŒ”): Best if you love the draped look or if you are stacking multiple chunky bracelets together.
  • The Snug Fit (Add ÂŒ” to œ”): Perfect if you want your bracelet to stay put and not slide up and down your arm. Ideal for delicate chains or if you are typing at a desk all day.
  • The Comfort Fit (Add Ÿ” to 1″): The sweet spot. It gives the bracelet enough room to move naturally without feeling like it’s going to slip off your hand. This is the standard fit we recommend.

Buying for a Gift?

Trying to pull off a surprise without ruining the secret? We know the struggle. Here are a few ways to get the right size without asking:

  • The sneaky ring trick: Borrow a ring they already wear (make sure it’s for the correct finger!) and place it on a piece of paper. Trace the inside of the circle with a pencil. Measure the diameter straight across in millimeters, and match it to our chart above.
  • Go for the average: If you’re completely guessing, the most common US ring sizes for women are 6 and 7. For necklaces, an 18″ chain is the universal crowd-pleaser that sits beautifully on almost everyone.
  • Opt for adjustable: When in doubt, look for pieces in our collection that come with extender chains. It gives them the freedom to adjust the fit themselves!

Still Not Sure?

Don’t stress. We want you to love your Crystia jewelry from the moment you put it on. If the fit isn’t 100% perfect, we offer easy and hassle-free exchanges.

Just reach out to us, and we’ll help you swap it for the right size in no time.

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