Lab Created Ruby / Synthetic Ruby / Synthetic Corundum
Premium Lab Created Ruby
Lab Created Ruby, also known as Synthetic Ruby or Synthetic Corundum, is a laboratory-grown gemstone with the same chemical composition (Al₂O₃) as natural ruby. It features a beautiful pink to deep blood-red color, exceptional brilliance, and a Mohs hardness of 9, making it ideal for fine jewelry.
Natural ruby is rare and expensive. However, Lab Created Ruby offers the same beauty and durability at a much more affordable price. It is widely used by jewelry manufacturers, wholesalers, retailers, and designers worldwide.
Manufacturing Process
Lab Created Ruby is produced using two well-known methods:
- Flame Fusion – Produces vibrant ruby crystals quickly with excellent clarity.
- Flux Growth – A slower process that creates crystals with growth characteristics similar to natural ruby.
Both methods combine aluminum oxide with chromium to produce the rich red color of ruby.
Physical Properties
| Property | Specification |
|---|---|
| Color | Pink to Blood Red |
| Chemical Formula | Al₂O₃ (Corundum) |
| Hardness | 9 |
| Specific Gravity | 3.97–4.05 |
| Refractive Index | 1.768–1.772 |
| Birthstone | July |
Available Shapes
We supply Lab Created Ruby in:
- Round
- Oval
- Cushion
- Emerald
- Pear
- Marquise
- Heart
- Square
- Baguette
- Triangle
- Trillion
Custom cuts and calibrated sizes are also available.
Applications
Lab Created Ruby is widely used for:
- Rings
- Earrings
- Pendants
- Necklaces
- Bracelets
- Fine Jewelry
- Watchmaking
- Medical Instruments
- Laser Applications
Why Choose GEMS N GEMS?
GEMS N GEMS supplies premium-quality Lab Created Loose Rubies with excellent color, precision cutting, and consistent quality. We offer custom sizes, wholesale quantities, competitive pricing, and worldwide shipping.


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