Pulled Czochralski Ruby / Lab Created Pulled Ruby
Premium Pulled Czochralski Ruby
Pulled Czochralski Ruby, also known as Lab Created Pulled Ruby, is a premium laboratory-grown gemstone produced using the advanced Czochralski crystal growth process. This manufacturing method creates ruby crystals with exceptional clarity, vibrant red color, and outstanding durability. As a result, it is a preferred choice for jewelry manufacturers, gemstone wholesalers, and designers worldwide.
Moreover, the controlled crystal growth process produces gemstones with excellent transparency, consistent color, and remarkable brilliance. Furthermore, every crystal offers superior hardness, making it suitable for everyday wear. Therefore, Pulled Czochralski Ruby is an excellent option for fine jewelry, custom designs, and luxury collections.
Natural rubies with similar color and clarity often cost between $2,000 and $10,000 per carat. However, Lab Created Pulled Ruby provides a comparable appearance at a significantly lower cost. Consequently, customers can enjoy the beauty of ruby while choosing a more economical alternative.
Lab Synthesis by the Czochralski Process
The Czochralski crystal growth process is one of the most reliable methods for producing premium laboratory-grown ruby crystals. First, manufacturers select carefully prepared raw materials and place them inside a high-temperature crucible. They then heat the materials until they melt completely.
Next, manufacturers attach a small ruby seed crystal to a rotating metal rod. After that, they slowly lower the seed crystal into the molten material while continuously rotating the rod. Meanwhile, engineers carefully monitor the temperature, rotation speed, and pulling rate throughout the process.
Consequently, the molten material crystallizes around the seed crystal and forms a large single crystal with excellent clarity and color consistency. In addition, precise process control minimizes internal imperfections and improves overall crystal quality.
Finally, manufacturers remove the finished crystal and prepare it for cutting and polishing. Moreover, this process produces large rough crystals capable of creating finished gemstones up to 50 mm, making them suitable for standard and custom jewelry applications.
Physical & Chemical Properties
| Property | Specification |
|---|---|
| Gemstone | Pulled Czochralski Ruby |
| Alternative Name | Lab Created Pulled Ruby |
| Manufacturing Process | Czochralski Crystal Growth |
| Chemical Composition | Magnesium Aluminium Oxide (Chromium – Minor Component) |
| Refractive Index | 1.715–1.734 |
| Hardness | 9 on the Mohs Scale |
| Specific Gravity | 3.58 |
Available Shapes & Sizes
We manufacture Lab Created Pulled Ruby in a wide range of calibrated and custom-cut shapes, including:
- Round
- Oval
- Cushion
- Emerald
- Pear
- Marquise
- Heart
- Square
- Baguette
- Triangle
- Trillion
Additionally, we supply matching pairs, precision cuts, custom sizes, and large rough crystals. As a result, customers can order gemstones up to 50 mm according to their exact requirements.


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