Gemstone origin significantly impacts value, with some sources commanding premium prices of 200-1000% above baseline. This guide helps identify origin characteristics for major gem types and explains why origin matters.
🔬 Origin Verification:
Trace element analysis using LA-ICP-MS is the most reliable method for origin determination. Gem laboratories use this advanced technology to verify source.
Trace element analysis using LA-ICP-MS is the most reliable method for origin determination. Gem laboratories use this advanced technology to verify source.
Value Impact of Origin
- Burmese Ruby: 200-500% premium over other origins
- Kashmir Sapphire: 300-1000% premium (extremely rare)
- Colombian Emerald: 100-200% premium
- Ceylon (Sri Lankan) Sapphire: 20-50% premium
- Myanmar Jadeite: 50-100% premium
Origin Characteristics by Gem Type
Ruby by Origin
- Burma: Strong fluorescence, fine silk, calcite inclusions
- Mozambique: Lesser fluorescence, straight growth tubes, higher clarity
- Sri Lanka: Zircon stress halos, weak fluorescence, lighter color
- Thailand: No fluorescence, dark body color, iron-rich
Sapphire by Origin
- Kashmir: Fine silk, "sleepy" appearance, velvety blue
- Sri Lanka: Long rutile needles, color zoning, excellent clarity
- Montana: Metallic inclusions, unique blue-green hue
- Madagascar: Similar to Kashmir but with different growth patterns
GemScan Pro offers professional origin determination as part of our certification services.