What is the best sealer for diamond painting

What is the Best Sealer for Diamond Painting?

Diamond painting is a popular craft that combines the beauty of painting with the sparkle of diamonds. It involves placing small resin “diamonds” onto a canvas to create a stunning and vibrant image.

 Once you’ve completed your diamond painting masterpiece, it’s important to seal it to protect the diamonds and enhance its longevity. In this article, we will discuss the best sealer for diamond painting and provide you with valuable insights to make an informed choice.

What is Diamond Painting?

Before delving into the best sealers for diamond painting, let’s briefly understand what diamond painting is. Diamond painting is a relaxing and therapeutic craft that originated from cross-stitch and paint-by-numbers.

 It involves using tiny, faceted resin diamonds or drills to create a mosaic-like image on a canvas. The canvas is pre-printed with symbols that correspond to different colors of diamonds, making it easy to follow and create intricate designs.

The Importance of Sealing Diamond Paintings

Sealing a diamond painting is crucial to protect the delicate diamonds and ensure the longevity of your artwork. Without proper sealing, the diamonds may become loose over time, resulting in a loss of sparkle and overall quality. Sealing also provides a protective barrier against external elements such as dust, moisture, and accidental spills, keeping your diamond painting in pristine condition.

Factors to Consider When Choosing a Diamond Painting Sealer

When selecting the best sealer for your diamond painting, there are several factors to consider. These factors will help you make an informed decision and ensure the desired outcome. Here are some key factors to keep in mind:


The sealer should provide long-lasting protection for your diamond painting. It should create a strong bond between the diamonds and the canvas, preventing them from shifting or falling off.

Shine Preservation

The sealer should preserve the shine and sparkle of the diamonds. Some sealers may dull the diamonds slightly, so it’s important to choose one that maintains the brilliance and enhances the overall appearance of your artwork.

Ease of Application

Consider the ease of application when selecting a sealer. Some sealers come in brush-on form, while others are available in spray form. Choose a sealer that suits your preference and is easy to apply evenly across the canvas.

Compatibility with Different Types of Diamond Paintings

Ensure that the sealer you choose is compatible with the type of diamond painting you have. Some sealers work well with both round and square drill kits, while others may be specifically designed for one or the other. Read product descriptions and recommendations to make the right choice.

Types of Diamond Painting Sealers

There are two main types of sealers for diamond paintings: brush-on sealers and spray sealers. Each type has its own advantages and considerations.

Brush-On Sealers

Brush-on sealers are applied using a paintbrush. They create a protective layer over the diamonds and canvas. Brush-on sealers offer the following advantages:

  • Water-resistant: Brush-on sealers provide protection against water damage, making them ideal for preserving the integrity of your diamond painting.
  • Versatility: Brush-on sealers can also be used for other projects, such as sealing wood surfaces.
  • Dustproof: A properly applied brush-on sealer can make your diamond painting resistant to dust, ensuring that it remains clean and vibrant.
  • Mounting without Glass Frame: Unlike spray sealers, brush-on sealers allow you to mount your diamond painting without using a glass frame, providing flexibility in display options.

However, brush-on sealers may have some drawbacks:

  • Diamond Shine Reduction: Applying a brush-on sealer may result in a slight reduction in the shine of the diamonds. This is a trade-off for the added protection and durability.
  • Limitation in Rolling: Once a diamond painting is sealed with a brush-on sealer, it becomes difficult to roll up the canvas for storage or transportation.

Spray Sealers

Spray sealers are applied by spraying a fine mist over the surface of the diamond painting. They offer the following advantages:

  • Sparkle Enhancement: Spray sealers can enhance the sparkle of the diamonds, giving your artwork an added radiance.
  • Quick Drying: Spray sealers dry quickly, allowing you to handle and display your sealed diamond painting in a shorter amount of time.
  • Canvas Rollability: When you seal a diamond painting with a spray sealer, it retains the ability to be rolled up for storage or transportation.

However, spray sealers have some considerations:

  • Gaps between Diamonds: Unlike brush-on sealers, spray sealers do not fill the gaps between the diamonds. This may result in slightly less dust resistance.
  • Limited Water Resistance: While spray sealers offer some level of water resistance, they may not provide the same level of protection as brush-on sealers.

Choosing the Best Sealer for Diamond Painting

The choice between a brush-on sealer and a spray sealer ultimately depends on your personal preference and the specific requirements of your diamond painting. If you prioritize maintaining the shine of the diamonds and have no plans to roll up your canvas, a spray sealer may be the best option. On the other hand, if you want maximum protection and the ability to mount your diamond painting without a glass frame, a brush-on sealer is recommended.

How to Seal Diamond Painting with a Brush-On Sealer?

Sealing a diamond painting with a brush-on sealer involves the following steps:

Setting the Diamonds Properly

Before applying the sealer, ensure that all the diamonds are flat and properly adhered to the canvas. Use a roller or place weights on the painting overnight to ensure a secure bond.

Applying the Sealer

Dip a paintbrush into the brush-on sealer and apply it evenly over the entire surface of the diamond painting. Start from one corner and work your way across, ensuring complete coverage. The sealer will create a protective layer over the diamonds.

Hanging the Sealed Painting

After applying the sealer, allow the diamond painting to dry completely. Once dry, you can hang the sealed painting on a wall or frame it for display.

How to Seal Diamond Painting with a Spray Sealer?

Sealing a diamond painting with a spray sealer involves the following steps:

Setting the Diamonds Properly

Ensure that all the diamonds are properly set and flat on the canvas. Use a roller or place weights on the painting to ensure a secure bond.

Applying the Sealer

Hold the spray sealer can approximately 12 inches away from the diamond painting. Apply light, even mist over the entire surface of the painting. Be careful not to oversaturate the canvas or create drips. Allow the sealer to dry completely.

Rolling up the Finished Canvas

Once the spray sealer is dry, you can roll up the finished canvas for storage or transportation. The sealed diamonds will remain intact, and the artwork will be protected.

Cleaning a Sealed Diamond Painting

To clean a sealed diamond painting, use a soft, lint-free cloth or a duster to gently remove dust and debris. Avoid using water or any cleaning solutions, as they may damage the sealed surface. Regular dusting will help keep your diamond painting looking its best.

Frame or Display Options for Sealed Diamond Paintings

Sealed diamond paintings offer various framing and display options. You can choose to frame your artwork using a traditional picture frame with or without glass.

 Alternatively, you can stretch the sealed canvas over a wooden frame, creating a gallery-wrapped look. There are also display stands and easels available that allow you to showcase your diamond painting on a tabletop or shelf.


Sealing your diamond painting is an important step to protect the diamonds, preserve their shine, and ensure the longevity of your artwork. Whether you choose a brush-on sealer or a spray sealer, consider factors such as durability, shine preservation, ease of application, and compatibility with your diamond painting.

 Follow the recommended steps for sealing and explore various framing and display options to showcase your sealed diamond painting. With the right sealer and proper care, your diamond painting will remain a dazzling masterpiece for years to come.

Frequently Asked Questions about Diamond Painting Sealers

No, hairspray is not recommended as a sealer for diamond painting. It may not provide the necessary protection and could damage the diamonds or canvas.

Mod Podge is a popular crafting adhesive and sealant, but it is not specifically designed for diamond painting. It may alter the appearance of the diamonds and could potentially cause them to become dislodged.

Clear nail polish is not recommended as a sealer for diamond painting. It may not provide sufficient protection and can alter the shine and color of the diamonds.

It is generally recommended to seal your diamond painting once it is complete and before framing or displaying it. However, if you notice any signs of the diamonds becoming loose or the sealer wearing off over time, you can reseal the painting as needed.

Yes, you can seal a diamond painting even after it has been framed. However, it may require some careful application to ensure that the sealer does not come into contact with the frame or glass.

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