SHANGHAI FAMOUS TRADE CO.,LTD
| Payment Terms | T/T |
| Delivery Time | 2-4 Weeks |
| Material | Synthetic Sapphire (Al₂O₃) |
| Parameter Specification Material Synthetic Sapphire (Al₂O₃) Gemstone Type | Lab-Created / Synthetic |
| Color Options | Royal Blue, Pigeon Blood, Pink, Green, Yellow |
| Shape | Loose gemstone, rough or cut to oval, rectangular, or custom shapes |
| Hardness (Mohs) | 9 |
| Luster | Subadamantine to vitreous |
| Refractive Index (nd) | 1.762–1.77 |
| Size Options | Customizable |
| Brand Name | ZMSH |
| Place of Origin | SHANGHAI,CHINA |
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Product Specification
| Payment Terms | T/T | Delivery Time | 2-4 Weeks |
| Material | Synthetic Sapphire (Al₂O₃) | Parameter Specification Material Synthetic Sapphire (Al₂O₃) Gemstone Type | Lab-Created / Synthetic |
| Color Options | Royal Blue, Pigeon Blood, Pink, Green, Yellow | Shape | Loose gemstone, rough or cut to oval, rectangular, or custom shapes |
| Hardness (Mohs) | 9 | Luster | Subadamantine to vitreous |
| Refractive Index (nd) | 1.762–1.77 | Size Options | Customizable |
| Brand Name | ZMSH | Place of Origin | SHANGHAI,CHINA |
| High Light | loose lab-created blue sapphire ，synthetic sapphire gemstone for jewelry ，blue sapphire for watches | ||
Loose Lab-Created Blue Sapphire Gemstone for Jewelry and Watches
Product overview
The Lab-Grown Loose Sapphire Gemstone is a high-quality synthetic sapphire produced using the Pulled Czochralski method, closely replicating the natural formation of sapphire. This method produces gemstones with vivid color, exceptional clarity, and superior brilliance, making them visually indistinguishable from natural sapphires.
Compared to other lab-grown methods, Pulled Czochralski sapphires offer better color, brightness, and chemical/physical stability, providing an affordable and high-quality alternative to natural royal blue sapphires.
| Parameter | Specification |
|---|---|
| Material | Synthetic Sapphire (Al₂O₃) |
| Gemstone Type | Lab-Created / Synthetic |
| Color Options | Royal Blue, Pigeon Blood, Pink, Green, Yellow |
| Shape | Loose gemstone, rough or cut to oval, rectangular, or custom shapes |
| Chemical Formula | Al₂O₃ |
| Hardness (Mohs) | 9 |
| Luster | Subadamantine to vitreous |
| Stability | Very good |
| Fracture | Conchoidal |
| Refractive Index (nd) | 1.762–1.77 |
| Appearance | Clean, vivid color; minor gas bubbles or inclusions only visible under high magnification |
| Surface Finish | Polished or rough |
| Size Options | Customizable |
| Applications | Jewelry, rings, earrings, pendants, watches, decorative or industrial uses |
Jewelry Making: Rings, earrings, pendants, bracelets
Luxury Watches: Precision gemstone inserts
Decorative Stones: Collectibles, display pieces
Industrial Uses: Optical-grade corundum for scientific instruments
Vivid, clean, and flawless appearance
Chemically and physically identical to natural sapphire
Produced by Pulled Czochralski method, superior to flame fusion or hydrothermal methods
Affordable alternative to natural royal blue sapphires
Available in multiple colors, sizes, and shapes
Small Sizes: Vacuum-sealed or organza bags
Large Sizes: Wrapped in soft paper
Custom Packing: Available per client request
Delivery Time: Within 7 days (depending on order size)
Shipping Methods: DHL, FedEx, TNT, EMS, UPS, and others
Q1: How do lab-grown sapphires compare to natural sapphires?
A: Lab-grown Pulled Czochralski sapphires are chemically and physically identical to natural sapphires, with the same hardness, luster, and color. They are more affordable and often brighter and more vivid.
Q2: Can these sapphires be customized?
A: Yes, size, shape, color, and surface finish can all be customized according to your requirements.
Q3: How can lab-grown sapphires be distinguished from natural ones?
A: Only expert gemologists using high magnification can detect minor gas bubbles or inclusions. Otherwise, they appear identical to natural sapphires.
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Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company
Year Established:
2013
Total Annual:
1000000-1500000
Ecer Certification：
Verified Supplier
SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widel... SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widel...
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