What's the best way to fix a diamond painting?

Did you just finish your diamond painting? Congratulations! Now you'd naturally want your masterpiece to stay beautiful for years. The solution: fixing a diamond painting. In this article we explain step by step how to best protect your diamond painting, which methods are available, and what you should and shouldn't do.

Why you should seal a diamond painting

After all the patient work and the hours you’ve put into placing thousands of drills, it would be a shame if your diamond painting became damaged over time. Drills can come loose, the canvas can get dirty, and dust or oil from the air can build up in the tiny gaps. This not only affects the appearance but also shortens the lifespan of your artwork.

Because of you to fix a diamond painting with a sealer you give the project a protective layer. This layer ensures the gems stay firmly in place, even if the work is accidentally touched or moved. In addition, a sealer helps keep dirt, dust and moisture out. Especially useful if you want to hang your diamond painting in a room such as the living room, hallway or kitchen.

Fixing is therefore especially important when you are working on the painting want to hang without a glazing bead, or if you give it as a gift to someone else. It prevents your work from slowly deteriorating and ensures you'll enjoy it for many years to come.

📍 Want to know how to hang your sealed artwork so it looks its best? Then check out our blog about Ways to frame your diamond painting.

What do you need to seal your diamond painting?

Before you start with the fixing your diamond painting, it is important to have the right materials on hand. Good preparation ensures that you achieve the best result and that your artwork is sturdy, clean and durably protected.

✅ Materials needed to seal a diamond painting:

• Your completed diamond painting
  Make sure that all stones are properly placed and that there are no loose or missing diamonds. Press the stones firmly again with a roller if necessary.
• Sealer (spray or glue)
  Depending on your preference, choose a spray that preserves the shine or a glue-like substance that also fills the spaces between the gems. There are also special water-based diamond painting sealers available.
• Paintbrush or foam brush
  You use this when applying adhesive. Preferably choose a wide, soft brush so you can work evenly without dislodging the stones.
• Roller
  A diamond painting roller is ideal for firmly pressing the gems before sealing. That way you can be sure everything is properly secured before you apply the protective layer.
• Soft cloth
  Use a lint-free cloth to gently wipe dirt or dust particles from the canvas before you begin sealing. A clean surface is essential for a smooth finish.

With these tools you're ready to Diamond painting to be sealed and to provide long-lasting protection against dust, wear and loose stones.

Sealing with a brush or spray: which is better?

If you Diamond painting will be fixed., you quickly end up at two popular methods: seal with a brush or seal with a spray. Which option is best depends on your personal preference, the location where you hang your artwork, and how much gloss you want to preserve.

Both techniques ensure that the stones stay firmly in place and protect the canvas from dust and dirt, but there are clear differences in how they work and in the results. Below we've laid out the pros and cons of both methods for you, so you can make the best choice.

Method 1: Sealing a diamond painting with a brush

With this method, you use a liquid sealer or glue that you apply over your diamond painting with a brush or foam brush. This is especially suitable if your canvas want to hang without glass, or if you extra protection Protects against moisture and dust.

✅ Benefits:

• Fills the gaps between the stones
  The glue flows between the beads and seals small openings, reducing the chance of dust buildup or stones coming loose.
• Provides strong adhesion
  Because of the sealing effect, the gems stay even more firmly in place than with only the canvas's adhesive layer.
• Waterproof protection
  Most brush-on sealers are water-resistant once they have dried, which is ideal for, for example, damp areas.

❌ Disadvantages:

• Gloss may fade
  Depending on the adhesive used, the shine of the diamonds may be slightly reduced, especially with thicker layers or incorrect application.
• Possible creases or imperfections
  If the glue accidentally gets on the sides or is applied unevenly, stains or creases may occur.

💡 For example, use Mod Podge as a sealer.
This product is both glue and varnish in one and popular among hobbyists. Preferably choose a transparent, matte or glossy water-based variant to prevent yellowing.

Method 2: Securing the diamond painting with a spray

Another popular way to to fix a diamond painting is by using a spray sealer. This is an ideal solution for anyone who wants to protect their artwork without the the shine of the stones is lost. You don't need to use a brush or glue for this, which makes this method very user-friendly, even for beginners.

Sprays are often available in craft stores or online, under names such as "acrylic spray", "artist varnish" or "diamond painting spray sealer". Always make sure you choose a product that dries clear, suitable for creative projects, and preferably does not turn yellow over time.

✅ Benefits:

• Preserves the shine of the stones
  Unlike some glue-sealing methods, a spray preserves the natural sparkle of the rhinestones, so your artwork keeps shining as intended.
• Dries quickly and doesn't yellow
  Most sprays are acrylic- or water-based, which ensures a short drying time and a long-lasting clear finish.
• Easy to apply evenly
  You don't need any experience with painting or gluing: simply spray in an even motion over your canvas for a neat finish.

❌ Disadvantages:

• Does not fill gaps between the stones
  Unlike adhesive sealers, a spray does not fill the small gaps between the beads. As a result, protection against dust is slightly less effective.
• Weaker adhesion
  Sprays do create a protective layer over the painting, but they reinforce the adhesion of the stones less than a thick glue would. So make sure your stones are firmly attached before you start spraying.

💡 Preferably use a aerosol spray.
Always choose a spray that is suitable for canvas or art projects, and check whether these matte or glossy dries, depending on your preference.

Step-by-step guide: how to safely seal your diamond painting

Are you ready to protect your finished artwork and preserve it for the long term? Then follow this practical step-by-step plan to to secure a diamond painting", regardless of whether you choose a brush-on sealer or a spray. Make sure you have all the necessary supplies ready before you begin."

STEP 1: Check your diamond painting

Before you start sealing, it's important to check whether all stones are securely fastened. Even if you think everything is neatly in place, some rhinestones may be slightly loose or not firmly pressed.

Use a roller for diamond painting to roll gently but firmly over the entire surface. Place a soft cloth (such as a microfiber cloth) between the roller and the canvas to prevent damage or scratches. This step ensures that each stone adheres optimally to the adhesive layer before you secure it.

STEP 2: Make the surface dust-free

Dust, hairs and lint are your biggest enemies during sealing. They can become trapped under the sealer layer and ruin the final result. Therefore use a dry, lint-free cloth or a soft brush to gently sweep the entire surface of your diamond painting clean.

Pay extra attention to the corners and edges of the canvas, where dirt often accumulates. Do not skip this step, because a clean canvas is essential for a crisp, clear result.

STEP 3: Apply the sealer

Now the real work begins: applying the sealer. Do you choose a spray or a Glue brush? Both methods work differently, so below is a brief explanation of each method:

🔹 When using a brush:

• Pour some sealer (such as Mod Podge) on a small plate or palette.
• Use a wide, soft brush or a foam brush.
• Bring a thin, even layer on the entire surface.
• Work in sections and make sure there is no buildup.
• Make sure you don't spread over the edge to avoid creasing.

💡 This method is ideal if you want to hang the painting without glass or are looking for maximum protection.

🔹 When using a spray:

• Shake the spray can well before use.
• Hold the can at approximately 20 cm distance of the canvas.
• Spray in slow, even strokes, first horizontally and then vertically.
• Ensure adequate ventilation in the room and protect the surface underneath from overspray.

💡 This method is perfect if you want to preserve the shine of the stones and get quick results.

STEP 4: Let dry (and if necessary: repeat)

Let yourself Let the diamond painting dry for at least a few hours on a flat, dust-free surface. Avoid touching, moving, or covering the canvas while it dries to prevent stains or damage.

The exact drying time depends on the sealer used (always check the label!), but on average 2 to 4 hours is sufficient.

Would you extra protection or are you working on a larger painting? Then you can, after the first coat, second thin layer apply. Make sure the first coat is completely dry before you start again.

Fixing a diamond painting without glue: is that possible?

Yes, it is definitely possible to fixing a diamond painting without glue or sealer. Although many people choose a spray or adhesive finish, there are also alternative methods that can protect your artwork in a safe and aesthetic way – without you having to apply an extra layer.

These options are especially interesting for hobbyists who want to avoid the risk of dull stones or incorrect application of the sealer, or for those who like to have their painting in a frame with glass wants to show.

✅ Alternatives for fixing without glue or spray:

• Framed under glass
  By framing your diamond painting snugly behind glass, it will automatically be protected from dust, moisture and handling. Note: use a deeper frame (for example a 3D frame or a photo frame with a mat) so the stones won't be pressed against the glass.
• Use a canvas with a strong adhesive backing
  With some suppliers – such as Happy Painting – the canvas is fitted with a high-quality adhesive layer that ensures the stones stay firmly in place, even without extra protection. If the glue is of high quality and the stones are well pressed, sealing is generally not necessary, especially if your painting for indoor display only.
• Mounting on foamboard or cardboard
  Another way to protect your diamond painting without glue is to mount it on foamboard or cardboard and, if desired, cover it with a protective film or plastic top layer. This is especially useful if you don't want to use a frame but still want to display the piece securely.

Please note: fixing without glue works best on smaller or medium sizes die niet intensief worden verplaatst of opgehangen in vochtige ruimtes. Als je jouw werk intensiever wilt gebruiken (bijvoorbeeld als placemat, cadeau of decoratie op een drukke plek), dan blijft een sealer wél aanbevolen voor extra zekerheid.

📍 Wondering if your diamond painting fits in a regular photo frame? Discover handy tips and practical solutions in our blog: “Can a Diamond Painting fit in a Photo Frame?”

Frequently asked questions about sealing diamond paintings

Do you still have doubts or questions about whether or not to seal your diamond painting? Below we answer the most frequently asked questions from hobbyists like you. Whether you're just starting out or have already completed several projects.

Do I always need to seal my diamond painting?

Not necessarily. Sealing a diamond painting is optional and depends on your preferences and the quality of the canvas.
Als je een high-quality canvas with strong adhesive backing gebruikt and you choose to have your artwork for framing under glass, then no extra fixing is necessary. In that case your painting is already protected against dust, handling and moisture.

When is sealing actually recommended?

• If you hang your painting without glass
• If the canvas doesn't have such a strong adhesive layer
• If you want extra protection against dust and moisture
• If you often move your work or give it as a gift

What is the best glue for diamond painting?

For the seal with a brush is usually a non-toxic water-based glue recommended. A popular choice among hobbyists is Mod Podge. This glue also functions as a varnish and is available in various finishes: matte, satin and gloss.

When choosing a sealer or adhesive, it is important that:

• The glue dries clear
• He suitable for art projects
• He doesn't dull the sparkle of the stones too much

How do I protect my diamond painting while working on it?

While creating your painting you want to prevent dust or dirt from sticking to the adhesive layer. A simple and effective way to do this is by using release paper. This lets you keep parts of the canvas covered while you work on other areas.

Also make sure that you:

• Works in a dust-free environment
• Keeps your work surface clean
• Do not touch the canvas with greasy hands

📍 Do you want to properly protect your canvas while you're making it? Then read our blog about What release paper is and how to use it for diamond painting.

Conclusion: this is how you keep your artwork looking beautiful for years

Completing a diamond painting is something to be proud of. It's a creative project you've put time, attention and precision into, and it deserves to be well protected. Whether you choose a spray sealer or a Glue with brush, securing a diamond painting is the way to protect your artwork from dust, loose stones and fading.

Do you want maximum protection and sturdiness? Then choose a brush-on sealer.
Do you want to keep the shine of your stones? Then a spray is the better choice.
Or would you rather not fix it at all? Then you can also safely frame it or work with a high-quality canvas, especially for indoor use.

Whichever method you choose, the most important thing is that you make a well-considered decision based on your wishes, the purpose of the artwork and the quality of your materials. That way your painting will remain just as beautiful as on the day you laid the last stone.

Would you like even more useful tips about seal a diamond painting, framing or cleaning? Then definitely check out our other blogs full of practical information, inspiration and creative ideas. Or take a look at our shop, where you'll find everything you need to make your hobby even more enjoyable and easier.

📍 Everything you need to finish your diamond painting perfectly? Discover our diamond painting accessories and complete your project!