Lab-Grown Ruby
Jewelry-grade lab-grown ruby loose stones in vivid red to pigeon blood red, with custom cuts and matched lots.
Build a recognizable red signature for rings, earrings, pendants, bracelets or full jewelry sets.
Use sample-approved color references to support repeat orders and collection continuity.
Develop calibrated lots for production styles where dimensions and setting fit matter.
Select custom cuts for higher-end designs that need a distinct silhouette or face-up effect.
Ruby is the stone most jewelry buyers choose when they want color with confidence. It carries strength, romance, and instant recognition, which makes it especially suitable for hero stones, bridal accents, anniversary pieces, and signature red collections.
Senya Ruby supplies jewelry-grade lab-grown ruby loose stones in vivid red, ruby red, hot pink, and pigeon blood red directions. Instead of treating each order as a single stone purchase, we help buyers define a repeatable ruby specification: face-up color, calibrated size, shape, cutting style, matching standard, and quantity plan.
For brands and wholesalers, this matters in production. A ring line may need the same red tone across several sizes. Earrings need matched pairs. Multi-stone settings need stones that work together under the same lighting. Our sample approval and batch matching process is designed around these real jewelry requirements.
Behind the color is process control. Patented process innovation and Temperature Gradient Method production help Senya Ruby improve crystal quality, manage color performance, and keep sourcing cost practical for commercial jewelry projects.
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Item | Available Options |
Product Form | Loose stones, calibrated stones, rough crystal materials, precision-cut stones |
Color | Vivid red, ruby red, pigeon blood red, hot pink, custom red depth |
Clarity Target | VVS-VS or according to buyer requirement |
Cut | Oval, round, emerald, square, cushion, pear, cabochon, custom cut |
Size | Millimeter-size stones to larger carat-size custom pieces |
Certification | IGI/GIA certification can be discussed for selected jewelry-grade stones |
Customization | Color depth, cut, size, shape, matched pairs, calibrated lots, application-specific processing |
Parameter | Value |
Material | Cr3+ : Al2O3 |
Crystal Structure | Hexagonal |
Lattice Constants | a = 4.758 A, c = 12.99 A |
Density | 3.98 g/cm3 |
Mohs Hardness | 9 |
Melting Point | 2040 C |
Crystal Orientation | A-axis [11-20] or C-axis [0001] |
Chromium Concentration | 0.05-1 wt% |
Laser Wavelength | 694.3 nm |
Fluorescence Lifetime | 3.0 ms |
Refractive Index | 1.76 @ 694.3 nm |
Thermal Conductivity | 35 W/(m.K) |
Thermal Expansion Coefficient | 5 x 10^-6 /C |
Maximum Size | 140 mm x 140 mm x 70 mm |