Best Ring Guard

People love exquisite rings, ornamental jewelry, and other amazing jewelry pieces. However, occasionally, when buying rings that are not customized to your size, you might end up getting the rings too loose for you.

So, what would you do if your ring is loose? Would you take the risk of wearing a loose ring and end up losing it? You certainly do not want to lose your expensive and elegant ring. So, the ring guard will help you in that case.

ringA ring guard or ring size adjuster is an easy way to get your loose ring fixed. Also, it offers you a quick fix. But you have to be aware that there are several types of ring guards available. Perhaps, you may not suit all types.

The ring guard is affordable but it is worth a purchase soon. This friendly price equipment can save you from losing a great amount of money worthing your lovely ring. If you are looking for the best ring guard, here are a few of our favorite ones.

Top 10 Best Ring Guard Reviews

1. 5 Stars United Ring Guard (2 Different Sizes) – [Best Overall]

Are you getting married? You start dieting and shed weight. Now, your engagement ring becomes loose. Are you worried about fixing it? The 5 Stars United spiral silicone ring guard will be your problem solver.

You can use this tightener to help you fix the ring. It’s able to reduce up to 2 sizes. But, comfortable use is to reduce 1 size. What’s more, you do not have to worry because this ring guard is invisible. Also, this ring adjuster comes in two sizes that will fit most of the rings.

It’s made of TPU (Thermoplastic polyurethane). Therefore, it’s quite flexible, comfortable in the skin, abrasion-resistant, and lasts longer. Each size comes with 6 packs. Importantly, it doesn’t react to the ring; it’s safe.

However, it only comes in two sizes: 1) 2 mm round coil, and 2) 3 mm flat coil. Based on the instruction, the 2 mm coil is suitable for rings with a diameter of less than 3 mm, whereas the 3 mm coil is suitable for rings with a diameter of less than 5 mm.


  • Fits perfectly
  • Amazing quality
  • Comfortable


  • Limited ring size

2. Gwhole Ring Guard Size Adjuster (3 Sizes)

Gwhole ring guard set comes with 18 units of ring guard from 3 different sizes and 2 different shapes. This surely permits you to choose from the preferred one for you.

There are three sizes based on the outer diameter of the ring guard: 1) 1.2mm, 2) 2mm, and 3) 2.5mm. For each size, you’ll find them in the round and flat coil. That said, this ring spacer is ideal for small ring shanks. It’s obviously not for an 8mm ring width. In addition, due to the coil thickness, it can lessen the ring size up to 1.5 size.

Made of high-quality PVC, this will feel comfortable for your lovely finger’s skin and invisible as well. The coil type ring guard will pleasantly fit in your ring, great for round and flat ring, and affordable.


  • Simple
  • Fits perfectly
  • 3 sizes available with both round and flat coil


  • Not for big ring shank

3. Anpro Ring Guard (3 Different Sizes)

Looking for another size? This Anpro comes equipped with 3 different ring adjusters. Also, it’s made of TPU. TPU is more flexible than PVC. This will feel comfortable in the skin. Moreover, it’s abrasion-resistant so you don’t need to buy again in the next short time.

There are 2mm round (S), 2mm flat (M), and 3mm flat coil (L). The 2mm round coil is ideal to reduce in small size. While the 2mm flat coil is suitable to reduce in medium size. And the last one; 3mm flat coil, is perfect to reduce the size significantly.

Most of the time the ring adjusters are not comfortable. If you are looking for a ring guard that fits your ring perfectly, fixes the issue, and is invisible; you should get this Anpro ring size adjuster. You can wear this ring guard and not even feel if it is there. This Anpro 15 Pack Ring Size Adjuster is easy to remove and might help you to fix 2 sizes of the ring.


  • Perfect for Knuckle issues


  • May uncoil

4. Vancool 18pcs Ring Size Adjuster

Vancool proposes a great offer for you. It contains 18pcs of ring guard. And the price is highly friendly. What an economical choice. Plus, you have adequate options to select the best size for you.

Like 5 Star United, Gwhole, and Anpro above, this Vancool seems made for women rings that have small shank. You can choose from the 3 provided sizes: S, M, and L. For every size, the diameter coil are respectively 1.5mm, 2mm, and 3mm.

Now you could feel relief again after installing this ring size adjuster. No worry to lose your lovely ring. Since the material is TPU, it will comfortable to wear. This kind of material is also hypoallergenic which will not harm your health. All in all, the plain color will hide the ring guard from people’s sight.


  • Quick fix


  • Rough ends

5. Feramox Clip-On Ring Size Adjuster

This is the flat clip-on type. It’s vividly thin and invisible. When you wear it, people will barely notice it until it gets close to them. Using it is also very easy and quick. Simply, put it on and use the ring.

Feramox clip-on ring guard is designed to help fix your loose ring. Made of TPU material, it is safe for your skin, soft, and comfortable. You may not feel it’s there. Aside from that, it provides a wide range of sizes. It comes with 8 different sizes that will fit various ring width which is in the range of 1 – 10mm.

The sizes are:

  • XXS; will suit 1 – 1.5mm ring width
  • XS; will suit 1.5 – 2.5mm ring width
  • S; will suit 2.5 – 3.5mm ring width
  • M; will suit 3.5 – 4mm ring width
  • L; will suit 4 – 5mm ring width
  • XL; will suit 5 – 7mm ring width
  • XXL; will suit 7 – 8mm ring width
  • XXXL; will suit 8 – 10mm ring width.

Those above are the sizes for ring width that Feramox offers. In terms of reducing the ring size, it can handle size from 0.5 to 2. So, when your ring is looser 1.5 size than your size, wearing this ring guard will solve the problem. Nevertheless, the disadvantage comes from the shape. It’s worth noting this is not suitable for round rings.


  • Simple to use
  • Fits well
  • Wide range of sizes up to 10mm ring width
  • Comfortable


  • Not suitable for round ring

6. Toopair Ring Guard (4 Sizes)

Your ring width is 8 mm and nothing seems made for it? Give this ring size a try. If your ring width is in the range of 2mm – 8mm, this Toopair ring guard will meet that. Though the advertising states indirectly it’s from 1 mm, we don’t agree with that. It will loose as well.

It covers 4 sizes. Each coil size has 2mm, 3mm, 4mm, and 5mm diameter.

  • S size has 2mm diameter; for ring width of 1-3mm
  • M size has 3mm diameter; for ring width of 2-4mm
  • L size has 4mm diameter; for ring width of 3-6mm
  • XL size has 5mm diameter; for ring width of 4-8mm.

If you are struggling with the size of the ring, and you end up getting a bigger size, you still have an escape. This Toopair ring sizer is the preferred option. Now, you can fix the ring smoothly into the size you want. Plus, the polishing cloth will be useful to make your ring shiny again.


  • Works amazingly
  • Affordable


  • Not made of clear material

7. RingShrinker Custom Size Ring Guard with UV Light

RingShrinker is a liquid that will harden at the inside area to reduce the ring size. It’s polyester-resin-based liquid. To harden it, we will use the UV light that comes equipped with. It’s adhesive, invisible, and safe to any metal.

This is definitely a smart way to make your loose ring snug again. You can custom your own thickness, wide, and position of the ring guard. Even you can apply the liquid to the upper side of the ring. However, it’s not ideal for a thin ring. It needs a surface at least 2 mm in width to apply.

It’s easy to apply. Make sure you have clean out the ring by washing it and let it dry. Then, apply a small amount of liquid bit by bit until it reaches the thickness that you want. During the polishing, stay away from direct sunlight. After you apply it evenly, light it up with the UV for about 3 minutes.


  • Works great
  • Custom size


  • Not instant

8. Ring Noodle Ring Size Reducer

Want to reduce up to 2.5 ring size and stay comfortable? You have to try this noodle-type ring sizer from Ring Noodle. There is 7 sizes available for you that will fit from 1 – 9 mm ring width:

  • Mini; fits 0.5 – 1.5 mm ring width
  • Petite; fits 1.5 – 2.5 mm ring width
  • Narrow; fits 0.5-1.5 mm ring width
  • Medium; fits 2.5-3.5 mm ring width
  • Wide; fits 4-6 mm ring width
  • Extra Wide; fits 6-7.5 mm ring width
  • Super Wide; fits 7.5-9 mm ring width

As a reminder, the mini and petite sizes are only capable to reduce the ring size from 0.5 to 1. While the rest can reduce from 1 to 2.5 ring size. This is absolutely a nice list of options for everyone. Moreover, since it’s round, it’s considered to fit both round and flat rings.

This ring noodle is super easy to install and has the quality of not scratching or harming your expensive ring. You can instantly put it on and it will not come off. The shape of the ring noodle is specially designed to comfort the user.


  • Affordable
  • Fits well


  • Not sturdy

9. Fuxing Ring Size Adjuster (6 Variety of Options)

Tired of trying but nothing seems to suit your size, then you have to go for this ring adjuster. There are a variety of options to choose from. It will snug nicely and hiddenly wrapping your ring band.

Fuxing ring guard offers 3 different sizes for you. The sizes are S, M, and L. However, they are actually 6 items that are different from each other. Each size has either a flat or round type. This surely allows you to select which one is the best fitting in your finger.

Don’t worry! This adjuster is made of TPU. It’s soft, safe, and comfortable in your finger’s skin. Also, it’s easy to clean up when it’s greasy. Further, it’s durable.


  • Complete size
  • Affordable
  • Comfortable


  • Can be difficult to reduce the size

10. Ringfit Adhesive Ring Size Adjuster Strip

The last one is Ringfit invisible ring size adjuster. This one is unique. It’s adhesive and needs to be located at the internal part of the ring so when you use it, it will be invisible. Unlike the others, this one allows you to put the ring adjuster at the upper side of the internal part of the ring.

However, Ringfit adhesive ring adjuster is aimed for a wide ring that is more than 3 mm. Since it sticks at the inside, it is fairly reasonable to apply only for wider rings.

Other advantages of Ringfit ring guard is that it comes completed with 12 pack of several size and colors (silver, gold, and black). This sounds good though. You can easily pick up the one that matches your ring color. Most importantly, it’s comfortable to contact your finger skin.


  • Comfortable
  • Truly hidden and invisible


  • Not for rings with small width

How to Choose the Best Ring Guard

A good ring guard for a loose ring has to meet the users’ needs. Since there are several considerations that are different for each other, here are some compilation that you might want to figure out when buying a ring guard.

1. Type

There are some models that you could notice: coil, flat, solution, noodle. Each model will work best for a particular ring shape. For example, the flat type will not great to wear for round rings. However, the coil one considerably fits any ring shape unless the ring width matches the inside diameter of the coil ring guard.

2. Material

It could plastic or metal. Some people may be allergic to plastic but some may not. In addition, the material affects durability. It’s always recommended to select those made of TPU. This material is comfortable to the skin due to its flexible property. Moreover, it’s durable, not easily discolor, easy to clean from grease, and cheap.

3. Invisible

Select the ring sizer that is as invisible as possible to wear. In general, the coil and flat model are both barely visible.

4. Color

Perhaps, the color of the ring guard matters for you. We would prefer to select the one that matches the ring color. The color that will fit most rings is the pellucid one. This color is suitable for all rings.

5. Size

Here is the most important thing. If the size doesn’t match, then it will fail. You have to measure the diameter of your ring. If it’s relatively small for you, use the loupe designed for jewelry when necessary. If you just go for buying without being aware of the size, you could end up wasting your money. A good ring size adjuster product will provide several sizes for the users.

Final Decision

The bottom line to this is that you need to find a ring guard that is worth the price and does not cause any rash on your skin. The quality of the ring guard is important.

Before you buy the ring guard and you start the hunt of the best ring guard, you need to prepare the checklist. Once you find the product that matches all the requirements, and specifications; you can get that. You can find a vast range of best of ring guards.