Master the Art of Tube Settings: A Guide to Securing and Setting Precious Stones

Master the Art of Tube Settings: A Guide to Securing and Setting Precious Stones

Table of Contents:

  1. Introduction
  2. Finding the Right Tube Setting
    • Outer and Inner Diameter of Tubing
    • Importance of Thick-walled Tubing
  3. Finding and Choosing Tubing
    • Buying Options: Large Packs vs. Single Lengths
    • Different Sizes and Shapes of Tubing
    • Making Individual Settings
  4. Testing the Stone and Measuring the Height
    • Checking the Fit of the Stone on the Tubing
    • Measuring the Height of the Stone
  5. Cutting the Tubing to Size
    • Marking and Cutting the Tubing with Precision
  6. Setting the Stone
    • Using a Setting Burr for Straight Walls
    • Cutting the Seat for the Stone
    • Checking and Adjusting the Depth of the Seat
  7. Securing the Stone in the Setting
    • Using a Bezel Rocker or Bezel Punch
    • Risks of Using a Bezel Punch
    • Using a Bezel Rocker and Burnisher
  8. Conclusion

Finding and Setting the Right Tube for Your Stones

Have you ever wondered how to find the perfect tube setting for your precious stones? In this article, we will guide you through the process of finding the right tube setting and how to set your stones securely. From understanding the outer and inner diameter of the tubing to choosing the right type of tubing, we'll help you become a pro at tube settings.

Finding the Right Tube Setting

When it comes to tube settings, there are a few key factors to consider. The outer diameter and inner diameter of the tubing play a crucial role in determining the suitability for your stone. For example, if you have a 6.12 millimeter stone, you'll need a tube with an outer diameter larger than 6.12 millimeters to accommodate the stone. Additionally, the inner diameter of the tubing should be slightly smaller than the stone to ensure a secure fit.

Importance of Thick-walled Tubing

To ensure a successful tube setting, it's essential to choose tubing with a thick wall. Thin-walled tubing lacks the necessary metal to hold the stone securely in place during the setting process. Look for tubing with a substantial wall thickness, providing enough material to press over the top of the setting or the girdle of the stone. Thick-walled tubing will give you the confidence that your stone will be set securely and will withstand daily wear.

Finding and Choosing Tubing

When it comes to finding and purchasing tubing, you have a variety of options. You can find tubes in large packs or single lengths, depending on your needs. Online suppliers like Rio Grande offer seamless tubes that you can buy by the ounce, providing flexibility in quantity and cost. These tubes come in different sizes and shapes, allowing you to find the perfect fit for your stone.

If you can't find the exact tubing you're looking for, don't worry! You can always make an individual setting tailored to your stone. However, making your own setting requires more expertise and may not be suitable for stones smaller than six millimeters. In such cases, it's best to find tubing that meets your requirements.

Testing the Stone and Measuring the Height

Before setting your stone, it's crucial to test its fit on the tubing and measure its height accurately. Place the stone on top of the tubing and check if there is a small rim of metal around the diameter of the stone's girdle. This rim ensures that the tubing is larger than the girdle diameter, providing enough metal to secure the stone.

Next, use calipers to measure the height of the stone. It's essential to cut the tubing to a length that keeps the bottom of the stone from sticking out at the back. With the stone's height measurement in hand, mark the tubing using a sharpie or any other suitable marking tool.

Cutting the Tubing to Size

To ensure a precise cut, use a tube cutting jig instead of relying on a jeweler's saw alone. Set the tube length on the jig to match the measured height of the stone. Once set, mark the tubing at the desired length using calipers. This marking will guide you to make an accurate cut.

Before making the cut, ensure you have a steady grip on the tubing and securely hold it in place. Use a jeweler's saw to cut the tubing along the marked line. Take your time to ensure a clean and straight cut, avoiding any potential damage to the tubing.

Setting the Stone

Now that you have the correctly sized tubing, it's time to set the stone. Start by using a setting burr, which allows you to create straight walls on the sides of the tubing. This ensures a secure fit and provides an aesthetically pleasing result.

Insert the setting burr into your flex shaft and apply some burr lube for smooth cutting. Carefully cut the seat for the stone by going straight up and down, avoiding excessive material removal. Take your time during this process to maintain control and precision.

Check the seat depth by placing the stone on top of the tubing. Adjust the depth until there is enough metal to press over the girdle of the stone, holding it securely in place. Remember to use burr lube to prevent sticking and overheating of the metal.

Securing the Stone in the Setting

Once the seat is deep enough, it's time to secure the stone in the setting. You have two options: using a bezel rocker or a bezel punch. While a bezel punch may seem convenient, it comes with risks such as cracking the stone or scratching the table. Therefore, it's best to opt for a bezel rocker, which provides more control and reduces the risk of damaging the stone.

Gently press the metal over the girdle of the stone using the bezel rocker. Make small circular motions to ensure an even and secure setting. Once the stone is securely set, you can use a burnisher to polish the setting, giving it a professional finish.


Mastering tube settings allows you to create stunning jewelry pieces with confidence. By understanding the importance of the outer and inner diameter of the tubing, choosing thick-walled tubing, and following the proper setting techniques, you can achieve beautiful and secure results. Whether you're a jewelry enthusiast or a professional jeweler, tube settings are a valuable skill to possess.

🎉 Highlights:

  • Choosing the right tube setting ensures a secure and attractive stone setting.
  • Thick-walled tubing provides the necessary metal to hold the stone securely.
  • Buying options include large packs and single lengths of tubing.
  • Measuring the stone and tubing accurately is crucial for a proper fit.
  • Cutting the tubing with precision using a tube cutting jig ensures a clean result.
  • Setting the stone requires using a setting burr for straight walls.
  • Checking the seat depth and adjusting it ensures a secure fit for the stone.
  • Using a bezel rocker instead of a bezel punch reduces the risk of damaging the stone.
  • Polish the setting with a burnisher for a professional finish.


Q: Are tube settings suitable for all stone sizes? A: Tube settings work best for stones larger than six millimeters. For smaller stones, it's recommended to find appropriately sized tubing rather than making individual settings.

Q: Where can I purchase tubing for tube settings? A: Online suppliers like Rio Grande offer a wide range of tubing options in different sizes and shapes.

Q: What is the importance of thick-walled tubing? A: Thick-walled tubing provides enough metal to securely hold the stone during the setting process and ensures durability in everyday wear.

Q: Can I use a bezel punch to secure the stone in the setting? A: While a bezel punch is an option, it carries the risk of damaging the stone or scratching the table. It's preferable to use a bezel rocker for more control and safer results.

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