Reading Size Charts Correctly: Ring, Bracelet, and Necklace Without a Mis-Purchase

Reading size charts correctly: Rings, bracelets and necklaces without buying the wrong size. In short: Most sizing mistakes are caused by three mix-ups: circumference vs. diameter for rings (circumference = diameter × pi. Confusing them means you're miles off), wrist circumference vs. bracelet length (the bracelet needs an extra 1 to 2 cm), and necklace length vs. drop length (which depends on your body). If you can tell these three pairs apart and double-check with string or a ruler, you'll practically never order the wrong size.

As of September 2026. By Phil, Corelune Jewellery, Düsseldorf.

Read more: How to store jewellery properly?.

For more on this: Storing jewellery properly: How to protect your favourite pieces.

Rings: circumference, diameter and German sizing

German ring sizes correspond to the inner circumference in mm (size 54 = 54 mm circumference). The inner diameter is the other measurement. Conversion: diameter × 3.14 = circumference (17.2 mm diameter ≈ size 54). The classic mistake: measuring the diameter and entering it as the circumference. Measuring: measure the inside of a suitable ring with a ruler (diameter) or place a strip of paper around your finger (circumference). In the morning AND evening, because fingers fluctuate by up to half a size. If in doubt: adjustable models.

Bracelets: circumference plus wearing style

Measure the wrist with a tape measure (or string + ruler) directly at the wrist bone. This is the CIRCUMFERENCE, not the order size. Add the wearing allowance: +1 cm for a tight fit, +1.5 to 2 cm for a loose fit. Example: 16 cm wrist + 1.5 cm = 17.5 bracelet. Bangles (rigid hoops) are measured differently: here it counts whether the hoop fits over the hand when pressed together. Measure the widest part of the hand.

Necklaces: length is not drop length

The centimetre measurement describes the necklace, not how it sits on you. Why the same length falls differently and how to find your reference is explained in detail in the necklace length guide. In short: measure an existing necklace or use the string method.

The 3 measuring tools everyone has

Paper strip + pen + ruler replace any special tool: place the strip around, mark the overlap, measure flat. For rings, additionally check against an existing ring. And the final safeguard is built in: with a 14-day return policy, every Corelune order is a risk-free try-on. If the size is wrong, you exchange it—no hassle.

View Corelune bracelets

Specifically, check out these pieces: Stainless steel link bracelet with front clasp and Stainless steel heart charm bracelet. You can find more bracelets in the bracelets category.

Which bracelet type holds up in everyday life?

What do buyers regularly fall for with necklaces?

The most common reason for a piece sitting in a drawer is not quality, but a lack of suitability for everyday life. The classic is a piece that suits an occasion that happens twice a year. The best test is to ask whether you would wear it on an ordinary Tuesday.

Which details reveal the quality of necklace craftsmanship?

With necklaces, the weight in your hand often says more about the quality than any product description. The clasp is the most common weak point, followed by loops and soldered joints, in that order. These points apply regardless of whether the piece costs fifteen or fifty euros.

How to properly care for necklaces

If you invest two minutes once a month, necklaces will stay in mint condition for years. A soft cloth after wearing and a bath in warm soapy water once a month cover all requirements. Coatings still wear out eventually, but this can be slowed down, not prevented.

What necklaces can withstand everyday life and what cannot

Stainless steel handles water without any problems, but there are still situations where taking it off is the wiser decision. Saunas and heat do not damage the material, but they accelerate wear on coated parts. Dabbing dry after contact with water is enough for most cases.

How much do good necklaces cost and what do you get for the price?

The price of necklaces is made up of material, manufacturing effort and a brand premium, and you only notice the first two points when wearing them. For necklaces under ten euros, the craftsmanship is usually the area where corners were cut. The 14-day return policy takes some of the risk out of the decision anyway.

Overview of materials, dimensions and prices

Showering, swimming and sports do not affect stainless steel; it does not tarnish. For choosing a ring, these values from the Corelune range are helpful.

Frequently asked questions

What does ring size 54 mean?

In German sizes: 54 mm inner circumference. This corresponds to approximately 17.2 mm inner diameter. The most common source of error is confusing the two measurements.

How do I measure my bracelet size?

Measure the wrist at the wrist bone and add 1 to 2 cm depending on the wearing style: +1 cm for a tight fit, +1.5 to 2 cm for a loose fit.

When should you measure ring sizes?

Twice: in the morning and evening. Fingers fluctuate by up to half a size due to temperature and time of day. If in doubt, choose the larger measurement or buy an adjustable one.

Why does my necklace become dull on my neck?

Collars, scarves and hair constantly rub against the same spot there. On coated necklaces, the colour at this spot will cool down first. Alternating between two necklaces distributes the wear and significantly delays visible abrasion.

Terms at Corelune: free shipping from €59, returns within 14 days.

About the author

Phil runs Corelune Jewellery in Düsseldorf and has worked daily with stainless steel jewellery since 2024: sample testing, complaints, everyday wear tests. The information in this article comes from the in-house range and from what customers have reported. Where Corelune does not offer something, this is also stated here.

Which categories suit this topic?

Matching necklaces:

• Rings for women
• Adjustable rings
• Necklaces for women

From two pieces, the unit price drops: 20% on 2, 25% on 3, 30% on 4, 35% on 5, and from fifty-nine euros, shipping is free. Two necklaces of different lengths are already the most common combination.

View women's rings at Corelune

At Corelune: free shipping from €59, 14-day returns, 20% discount from 2 pieces.

→ View women's rings at Corelune