Generally speaking, if your ring spins freely on your finger, it is usually considered too loose. A ring should only move around the finger or up and down the digit with manual force applied or friction and resistance. It should not be loose enough that it can slip over the knuckle.
Shake test – If you shake your hand with fingers pointed to the ground, the ring should not come off. It may move slightly towards your knuckle but the knuckle should 'stop' the ring from flicking off. Knuckle friction – The ring should need a firm push to get it over the knuckle.
A perfect ring should be able to slide easily over your knuckle, and sit on your finger tight enough so that you can feel the metal of the ring touching every part of your skin. Additionally, taking the ring off should require no large effort. It should be able to come off without having to pull at it excessively.
If you're between sizes, it's usually best to size up rather than down, as it's easier to adjust a ring that's too big than one that's too small. You may even go back and forth between two sizes; for example, your hands can swell up on hot days, making your ring size slightly larger.
However, a good rule of thumb is that a ring should be tight enough that it doesn't easily fall off but loose enough that you can still comfortably move your finger. If you are struggling to move your fingers, then it's likely too tight. On the other hand, if the ring feels like it is going to fall off, it's too loose.
Your ring should fit snug around the base of your finger without any bulging or leaving indent marks. To see if it fits right, push your ring up from the underneath and see if there is a small space between your ring and your finger. This means there is enough room.
Your ring spins around during wear.
If your ring is too big, it'll move around as your hand moves. If you notice that it's spinning around constantly, it might be time to scale down a size.
Standard ring sizes go up by 0.4 millimeters every half-size. For instance, a size 3 ring is 14 mm, a size 3.5 ring is 14.4 mm, and a size 4 is 14.8mm.
Your ring should be able to spin on your finger with a little effort. It should be able to move in both a clockwise and a counterclockwise direction. If you can't do this, try icing your hand for 10 minutes, and then trying again. If the skin beneath it is still stuck, your ring is too tight.
Rule of Thumb: A proper fitting ring should slide over your knuckle with a little friction and fit snugly on your finger, but not too tight. You should feel resistance and need to apply a little extra force to remove the ring backwards over your knuckle.
The lack of perspiration and dryness also causes the rings to move more easily, which can also cause them to feel looser. If a wedding ring that was sized in the summer has become looser as the weather gets colder, the seasonal change may be the cause.
A ring slipping on the finger can indicate that your ring is too large. This is an issue that affects so many people — we hear this often. Seek a professional size assessment from a reputable jeweller. Invest in the small cost to have your ring re-sized to alleviate this problem.
There is swelling and contracting through the day as fluid builds up and then gets reabsorbed. Our fingers also change with the seasons, contracting in winter and expanding in the warmer months. So, even if you were sized perfectly in July, by December, your ring will fit differently.
Over time, your fingers can also become larger on a ring if it is rarely removed, causing it to become stuck. A traumatic injury such as a fracture, or any injury in the arm or hand, can often cause swelling in the hand or fingers. Not removing a ring in this situation could allow the ring to turn into a tourniquet.
After years, fingers and/or knuckles usually get bigger. It's best to have your ring resized while you can still take it off.
Every time you have a ring resized, it loses a bit of its durability. However, it isn't an issue if you have it resized with a skilled jeweler. One way to ensure quality resizing is to inspect the ring after treatment. Any depression on the surface is a red flag.
Fingers are typically bigger in the morning when you are hot, or have recently consumed a lot of salt or alcohol. They shrink when you are cold or swimming in cold water. They are bigger in the summer and smaller in the winter. Fingers can swell a lot when you sleep or fly.
That means that even with regular wear, it can get thinner over time. So…if you're starting out at the minimum width, keep in mind that you'll likely need to have metal added (it's called re-shanking) somewhere down the line to keep your thin band engagement ring durable enough for daily waer.
A ring can be resized as many as 2-4 times and can be resized up to 2-5 sizes, based on the delicacy and structure of the ring itself. Of course, every time you resize a ring, you do weaken it ever so slightly, so we recommend being cautious with how often (and how much bigger), you're planning to resize it.
Using silicone or plastic ring adjusters work best for shrinking a ring at home. Some people use glue or candle wax, but these things can damage the ring's metal and stones.
Changes in “finger size” can be attributed to temperature change, eating certain foods, and doing activities with your hands. Your finger size may change as much as half of a size in one day, or at the very least between summer and winter.
There is no hard and fast rule when it comes to wearing rings on multiple fingers. Some people prefer to wear all their rings on the same hand, while others like to mix it up.
In general it's perfectly safe to wear your engagement ring every day. However, if you are doing any kind of rough work such as cleaning or gardening, sports or the gym. It's not advised to wear your rings in bed as the diamonds may loosen or catch on bedclothes and remove before showering.