Pulled Ruby (Czochralski Process)

Premium Lab-Grown Ruby for Wholesale & Manufacturing

What is Pulled Ruby?

Pulled Ruby (also called Czochralski Ruby) is one of the highest-quality lab-grown rubies on the market. Produced via the Czochralski Crystal Pulling Process, it delivers exceptional clarity, uniform color, and long-term durability — making it ideal for fine jewelry and precision gem manufacturing. Compared to flame-fusion (Verneuil) rubies, Czochralski-grown rubies have far superior optical clarity, tighter crystal structure, and more consistent color grading, closely matching natural ruby in appearance at a fraction of the cost.

Czochralski Pulling Process

This advanced crystal growth method produces premium synthetic rubies: High-purity aluminum oxide (Al₂O₃) doped with chromium is melted at extreme temperatures in a crucible A seed crystal is lowered into the molten material The seed is slowly rotated and pulled upward under controlled conditions A large, high-purity ruby crystal forms with uniform color and outstanding clarity This is the industry standard for premium lab-grown rubies used in fine jewelry.

Appearance & Quality

Pulled Ruby is nearly indistinguishable from natural ruby to the naked eye, with a rich, consistent vivid red tone, high brilliance, and excellent transparency. Note: Experienced gemologists may identify subtle internal growth characteristics under high magnification, as expected for all lab-grown stones.

Physical & Chemical Properties

Property	Specification
Chemical Formula	Al₂O₃ (Aluminum Oxide with Chromium dopant)
Growth Method	Czochralski Pulling Process
Hardness	9 on Mohs Scale (second only to diamond)
Luster	Subadamantine to Vitreous
Refractive Index	1.762 – 1.770
Durability	Excellent — scratch-resistant, ideal for daily wear

Why Choose IceSnow Pulled Ruby?

✅ Czochralski Premium Quality — superior clarity and color consistency vs. flame-fusion ruby ✅ B2B Wholesale Pricing — factory-direct pricing for bulk orders ✅ Calibrated & Custom Cutting — available in all standard calibrated sizes, plus custom shapes and cuts ✅ Small MOQ Trial Orders — support small test orders for new partners, scale to monthly bulk supply ✅ Global Shipping — fast, insured worldwide delivery via DHL/FedEx/UPS ✅ Full Certification Available — GIA / IGI / GRC certificates on request

Available Sizes & Shapes

We supply rough and finished stones suitable for cutting up to 50mm. Available in all standard shapes: Round, Oval, Emerald, Cushion, Pear, Heart, Marquise, Princess, Baguette, Trillion and more If you need a specific size, shape, or color tone not listed, we can manufacture custom Czochralski rubies to your exact specifications.