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Why did I measure my ring size wrong?

4 min read

Why did I measure my ring size wrong?

Here at Lebrusan Studio, engagement rings, wedding bands and commitment rings are our bread and butter. Though we try our hardest to ensure that every single one of them arrives on their owner’s hand feeling and looking perfect, resizing requests aren’t uncommon. There are a number of factors that can result in a misjudged ring size and we’re here to talk you through each of them, equipping you with the knowledge you need to ensure the most accurate possible measurement the first time round.



For rings worn every day, we generally advise aiming for the smallest size possible. When measuring yourself up, this means starting high and moving down the sizing scale until you eventually reach the sizing ring that won’t slide onto your finger. Don’t be deterred by a slight wrestle over the knuckle; this is usual! What’s important is that there’s no wiggle room once the ring is sitting at the base of the finger.

Even with this consistent approach, however, we’re often revisited by clients’ whose new jewels just aren’t fitting quite right. How does this happen?



Many of our clients are solo suitors or hopeless romantics, approaching us with plans to surprise their partner to a ring that says ‘forever’. This is of course incredibly exciting, but does pose one hitch: Without access to the ring finger in question, it can be tricky to know where to start on the sizing front. Luckily, there’s a dedicated blog post for that; check out our guide to working out your partner’s ring size without rousing suspicion.



Ring sizing systems can vary slightly from jeweller to jeweller. If you’re thinking of ordering a Lebrusan Studio ring, we’d recommend visiting us in London or Brighton so we can measure you up ourselves, using our in-house sizing equipment. If this isn’t possible, we’d be pleased to lend you a ring sizer to measure yourself up with from home.

If you’re shopping around, it’s worth having your ring finger measured up by a handful of different jewellers. This way, any discrepancies are accounted for and an average size can be calculated. 



The shape and style of a ring can affect how it sits on the finger. For example, a broader band will generate more friction with the skin beneath, causing the ring to feel tighter than a slimmer band. If the sizing ring you’re using to measure yourself up with is significantly wider than the Real Thing your sights are set on, it might be worth going ½ a size smaller when you come to ordering – and vice versa.

Meanwhile, top-heavy pieces like solitaire engagement rings are prone to spinning around the finger, so must fit as tightly as is safe and comfortable.



The human body is a marvellous feat of nature, constantly in flux and adapting to all number of conditions. Though extremely clever, this does unfortunately leave room for the odd ring sizing error. Pregnancy and hot weather are two common causes of finger swelling, whilst a cold room or an icy hand-wash before your meeting could encourage your fingers to shrink in size. Sometimes these factors just can’t be helped, but where possible, we advise trying to measure your finger at a neutral temperature.



Each hand is a unique composition of genetic material, symbolising a lifetime of experiences lived, sensations felt, skills acquired and messages conveyed. No two sets of hands are the same, and that’s what makes them all beautiful.

When it comes to fitting rings for size, however, there are two fundamental finger shapes that we see time and time again: The conical finger and the bony finger.

Conical fingers are mostly consistent in width, though their bases tend to be a little wider than their tips. These are the simplest to size correctly, as rings tend to slide down them with ease before sitting snugly and comfortably at the base, movement-free.

Meanwhile, bony fingers are a little more complicated. Slender digits tend to be wider at their knuckles than anywhere else, causing rings to get stuck on their way down. After a wrestle over the knuckle, rings then tend to fit a little too loosely at the base. Going any smaller can, of course, mean your ring not surpassing your knuckle at all. In this instance, we’d recommend avoiding rings with particularly slim bands or remarkably top-heavy designs, ensuring the snuggest possible fit at the finger’s base. If you don’t plan on removing your ring often, don’t be afraid to go snug; your knuckle can withstand a tight squeeze every once in a while but your mellow doesn’t deserve to be harshed by a ring that spins and slips constantly.



If the worst comes to the worst and, after following these steps, your new jewel still doesn’t feel quite right in the first instance: Don’t panic. We offer a resizing service and would be happy to adjust your ring once for free within the first year of purchase.


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Love, Arabel & Team
Ruby McGonigle
Ruby McGonigle

Ruby McGonigle is a copywriter and digital marketing professional with over five years of jewellery industry experience. After graduating with a BA in Linguistics, she combined her passions for written word and all things sparkly by joining the Lebrusan Studio team as in-house wordsmith and content creator. Among bi-monthly blog posts, notable examples of Ruby's work include a think-piece on the ‘natural diamonds vs. lab-grown diamonds’ debate, a probe into why traceable and third party certified ASM gold is so important, and an investigation of why platinum is no longer more expensive than gold.