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Fitting Guide

42 cm or 45 cm? How to Choose Your Necklace Length

In this article 2 chapters

What three centimeters changes

A 42 cm necklace is approximately 16.5 inches long; a 45 cm necklace is approximately 17.7 inches. The difference is 3 cm, or about 1.2 inches, around the full length of the necklace. For the same design on the same wearer, 42 cm will generally sit higher and closer, while 45 cm gives it more room to fall.

Neither measurement tells you exactly where the pendant will rest on your body. Neck circumference, shoulder shape, posture, and the way the pendant attaches all influence that position. The most useful reference is a necklace you already enjoy wearing.

Start with a familiar necklace

Choose one that sits where you would like your new piece to sit. Put it on with a neckline you wear often, and notice both the chain and the pendant. Does the pendant rest clearly above the fabric, sit comfortably over it, or disappear behind the edge?

Then take the necklace off, open its clasp, and lay it straight beside a ruler or measuring tape without pulling it taut. Measure the wearable length from the clasp to the point where it fastens. If there are several fastening points, use the one you normally choose. Note the pendant's dimensions separately; a drop hanging below the chain is not extra chain length.

For a design where the centerpiece forms part of the necklace itself, measure the entire wearable path. The distinction matters: a pendant suspended from a chain and a motif attached between two chain ends do not necessarily fall in the same way, even when their listed necklace lengths match.

Compare 42 cm and 45 cm on yourself

If you do not have a suitable necklace, mark 42 cm and 45 cm on a soft measuring tape and gently hold each length around your neck. Let it rest naturally without tightening it. This gives an approximate sense of the available space; a tape will not reproduce the drape or weight of a gold chain.

Use that comparison to answer a practical question: do you prefer the necklace closer to the base of your neck, or with more room below it? Do not assume the extra 3 cm will move a pendant exactly 3 cm vertically. That extra length is distributed around the necklace, and the resulting drop depends on how it sits.

What the current Tyferet options show

The Tyferet Symbol Mother of Pearl Necklace currently offers both 42 cm and 45 cm. The Star of David Legacy Necklace does too. Check the length selector on the specific product you are ordering; the options on one necklace do not establish the options for every design.

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In these photos

Choose the length for the way you wear it

Once you have a measurement, think about the setting in which the necklace will be worn. A piece chosen for an open collar may need a different position from one you want to wear over a high neckline. Trying the idea with two familiar outfits is often more useful than comparing many model photographs.

Give the pendant a clear place to rest

With an open shirt or V neckline, look for a position where the pendant feels comfortably framed by the opening. With a crew neck, decide whether you want it above the fabric or over it. A pendant resting directly on the edge can slip in and out as you move, so check that position while sitting as well as standing.

The shorter option can make a motif feel more closely placed at the neckline. The longer option can create additional space around it. These are starting points for comparison, not fixed styling rules: 42 cm may already fall lower on one person than 45 cm does on another.

Consider the whole design

A necklace's presence comes from more than length. Look at the pendant's height and width, the chain's visual weight, and whether the motif hangs from a bail or connects directly to the chain. A small, open shape and a more dimensional design may occupy the same position but create quite different effects.

For example, the Interwoven Star of David Necklace emphasizes the lines and open spaces of the star. The Legacy design draws attention to its more elaborate center. Choose the length that gives the particular design room to be seen, rather than expecting one measurement to produce the same look across both.

Use photographs for styling context

On-body images are useful for understanding proportion, a neckline, and the character of a piece. Unless an image identifies both the necklace length and relevant wearer measurements, it cannot establish exactly how that necklace will fit you. The images in this guide show designs and chain details; they are not a measured comparison of 42 cm and 45 cm.

Before ordering, check your chosen length in the product selector and confirm it again in the cart. If you are still uncertain, contact Tyferet with the product name, the length of a necklace you already wear, and where you would like the new piece to sit. That gives us a much clearer starting point than a photograph alone.

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Chai Timeless Necklace

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From $1,000.00

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Frequently Asked Questions

How many inches are 42 cm and 45 cm?

42 cm is approximately 16.54 inches, usually rounded to 16.5 inches. 45 cm is approximately 17.72 inches, usually rounded to 17.7 inches. Neither is exactly the same as a 16-inch or 18-inch necklace.

Will a 45 cm necklace hang 3 cm lower than a 42 cm necklace?

Not necessarily. The difference is 3 cm in total necklace length, distributed around the neck. The change in vertical drop depends on your proportions, the chain, and how the pendant attaches.

Should I choose 42 cm or 45 cm for a pendant?

Compare a necklace that already sits where you want the new piece to sit. Then consider the pendant dimensions and your usual neckline. For the same necklace on the same wearer, 42 cm generally sits closer and 45 cm provides more room.

Does the pendant count toward the necklace length?

A pendant hanging below a chain should be considered separately from the chain measurement. If the centerpiece forms part of the wearable necklace path, the construction is different. Check the particular design when comparing listed lengths.

Are both lengths available on every Tyferet necklace?

Availability is specific to each design. The Tyferet Symbol Mother of Pearl Necklace and Star of David Legacy Necklace currently list 42 cm and 45 cm. Use the options on the product page for the piece you are ordering.