SHANGHAI FAMOUS TRADE CO.,LTD
SHANGHAI FAMOUS TRADE CO.,LTD For The Good Reputation,By The Best Quality ,With The Fastest Efficiency.
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ZMSH specializes in high-end customized applications of lab-grown sapphire crystals, offering bespoke jewelry including colored gemstone rings, necklaces, watch dials, and cases. Utilizing advanced crystal growth technologies (such as flame fusion and Czochralski methods), we achieve precise color control—producing sought-after hues like Royal Blue, Pigeon Blood Red, Padparadscha, and Emerald Green. Our gems meet the growing demand for high clarity (VVS+), exceptional hardness (Mohs 9), and eco-conscious luxury without compromising brilliance or durability.
1. Material Advantages
· Lab-created sapphire (Al₂O₃) with a Mohs hardness of 9 (second only to diamond), ensuring scratch and abrasion resistance.
· Superior optical properties: Refractive index of 1.76–1.78, rivaling natural sapphires in fire and brilliance.
· Custom coloration: Achieved via transition metal doping (e.g., Cr³⁺ for red, Fe²⁺/Ti⁴⁺ for blue) for full-spectrum color options.
2. Craftsmanship Standards
· Precision cutting: CAD-designed + laser-cut with crown angle tolerance ≤0.1° for optimal light performance.
· Surface finishing: Nanoscale polishing (Ra ≤5nm) to maximize reflectivity and luster.
3. Sustainability
· Zero mining impact with a carbon footprint 90% lower than mined gems.
| Application | Product Examples | Key Benefits |
| Fine Jewelry | Custom rings, pendants, earrings | Flawless clarity, adjustable colors, 30–50% cost savings vs. natural gems |
| Watch Components | Dials, cases, crown inlays | Extreme scratch resistance, anti-corrosion, light transmission >85% |
| Industrial Design | Luxury phone covers, optical windows | Impact-resistant, AR-coating compatible for enhanced transparency |
| Corporate Gifts | Branded logo plaques | Laser engraving, UV-fluorescent security marks for authentication |
ZMSH Jewelry is a high-tech enterprise specializing in the research, development, and application of lab-created colored sapphires. Utilizing advanced crystal growth technologies such as the Verneuil (flame fusion) and Czochralski methods, we produce premium-quality laboratory-grown gemstones. ZMSH offers comprehensive color customization services, including popular hues like Royal Blue, Pigeon Blood Red, and Padparadscha, with applications spanning high-end jewelry customization, watch components, and industrial design.
1. End-to-End Customization
One-stop production: From crystal growth → cutting → setting, supporting CAD/3D file or physical sample replication.
3D rendering previews with 15–30 day lead time post-approval.
2. Technical Assurance
Color consistency: Spectrophotometer-verified ΔE <1.5 (indistinguishable to the human eye).
Dimensional precision: 0.5–50mm gem sizes with ±0.01mm tolerance.
3. Cross-Industry Collaboration
Watchmaking partnerships: Sapphire crystal lenses/cases (0.3–5mm thickness options).
Innovative designs: Hybrid metal-gem structures (e.g., titanium settings with sapphire inlays).
4. Quality Commitment
IGI/GIA-equivalent lab reports (clearly labeled "Lab-Grown").
5. Bulk Supply
Monthly capacity ≥10,000 carats, with B2B orders accepted from 1ct.
As a leader in high-performance synthetic sapphire applications, we pioneer innovations bridging jewelry, horology, and technology. By merging materials science with artisan craftsmanship, we deliver sustainable, conflict-free, and cost-efficient gem solutions—redefining modern luxury through transparency and environmental stewardship.
Request color swatches, technical whitepapers, or design consultations via our website or dedicated account managers.
1. Q: Are lab-created royal blue sapphires real sapphires?
A: Yes, they share the same chemical composition (Al₂O₃), hardness (Mohs 9), and brilliance as natural sapphires, but are ethically grown in controlled labs.
2. Q: Do lab-grown royal blue sapphires fade or change color over time?
A: No, lab-grown sapphires are highly stable—their color is permanent and resistant to fading, even with daily wear.
Tag: #Synthetic Sapphire, #Shape and size customized, #Pigeon Blood Red Ring, #Sapphire Watch Dial, # Lab-Grown Gemstone, #Custom Jewelry, #Real sapphires, #Lab-created, #Royal blue, #Hardness 9.0