Ring as a Christmas Gift: How to Find the Right Size Without Asking

A ring as a Christmas gift: how to get the size right without asking. In short: A ring is a beautiful but size-sensitive gift. The safest way: secretly measure an existing ring belonging to the person (inner diameter) or choose an adjustable model. This helps you avoid the most common purchase mistake. When giving a gift, the suitability to their usual style is what matters, not the price. Two weeks of lead time leaves room for an exchange if something doesn't fit.

Status: September 2026. By Phil Oberlaender, Corelune Jewellery, Düsseldorf.

How do you find the ring size?

What should you pay attention to?

• Correct finger: The size varies depending on the finger; it is best to measure the target finger.
• Consider the time of day: Fingers can swell slightly in the evening.
• Choose durability: Waterproof stainless steel rings can withstand everyday life.

As a gift, stainless steel has a practical advantage: it is waterproof and tarnish-proof, so there is nothing that needs to be taken off before showering or exercising. This is exactly what leads to it being worn daily.

How to find out the ring size without asking

The most reliable way is an existing ring. Place it on a ruler and measure the inner diameter in millimeters; multiplied by 3.14 gives the circumference and thus the German ring size. An inner diameter of 17 mm is size 53.

For women, the most common sizes are between 52 and 56; for men, between 60 and 66. This is a guideline, not a guarantee.

What fingers do in winter

Fingers swell in warmth and become narrower in the cold; the difference can be half a size. Anyone measuring in December tends to measure too small. When in doubt, take the larger version; a ring that is too loose can be worn, one that is too tight cannot.

Stainless steel rings cannot be resized (made larger or smaller). This is the honest disadvantage compared to gold or silver at a goldsmith and the reason why the size should be correct beforehand.

The matter of the ring finger

Which finger is intended changes the meaning completely. A ring on the left ring finger is interpreted in Germany as a sign of marriage or engagement, even if it is only meant to look nice.

If you don't want to convey that message, give a slim stacking ring and mention which finger you had in mind when presenting it.

Fittingly: Christmas gift for someone who has everything.

You can find this implemented here: Stainless steel link bracelet and Ocean Breeze stainless steel pendant necklace. You can find more gift ideas in the category Gifts under 50 Euros.

Further on the topic: Jewelry set as a Christmas gift: coordinated instead of picked together and Bracelet as a Christmas gift: ideas for her and him. You can find an overview in Christmas Gifts Jewelry 2026: the complete guide.

Finding the right piece at Corelune

The selection for this can be found at Corelune under Stainless steel rings, with measurements in millimeters and centimeters on every product page.

The pieces are made of stainless steel. Gold-plated parts have a 2.5-micrometer-thick layer of 14-karat gold, silver-colored ones a white gold plating, and rose-colored ones rose gold. The material does not tarnish and tolerates shower water, sweat, and chlorine. What stainless steel cannot do: it has no material value, and rings can only be resized to a limited extent.

Three items at 30 euros each cost 67.50 euros with the discount scale and are thus above the 59 euro threshold, from which shipping is free. Delivery is from the Netherlands in usually two to four business days. You have 14 days from receipt to return them.

Overview of material, measurements, and prices

Showering, swimming, and sports do not harm the stainless steel; it does not tarnish. These values from the Corelune assortment help with selecting a ring.

Frequently asked questions

How do I get the ring size for a surprise gift?

Secretly measure a ring that the person wears on the appropriate finger. The inner diameter reveals the size.

What if I am not sure about the size?

Choose an adjustable model or switch to a size-independent piece like a necklace or earrings.

Which ring fits if the size is uncertain?

An adjustable ring or (as an alternative solution) a size-independent piece like a necklace or earrings.

What do I do if the gifted ring doesn't fit?

Within 14 days of delivery, you can return it unworn and order the correct size. A stainless steel ring cannot be resized afterwards.

View stainless steel rings

About the author

Phil Oberlaender runs Corelune Jewellery in Düsseldorf and has been working daily with stainless steel jewelry since 2024: quality checks, returns, daily wear tests. The information in this article comes from our own assortment and from customer feedback. Where Corelune does not offer something, it says so here.

At Corelune: Free shipping from €59, 14-day return policy, shipping from the Netherlands.

→ View women's rings at Corelune