Gemstone Encyclopedia
Alexandrite
Wholesale alexandrite — buying guide for the trade
The famous colour-change chrysoberyl: green in daylight, red in incandescent light. Top stones from the original Russian Ural deposit are among the rarest gems on earth.
Key properties
- Mineral
- Chrysoberyl (BeAl₂O₄)
- Hardness
- 8.5 (Mohs)
- Key origins
- Russia (historic), Sri Lanka, Brazil, Tanzania, India
- Typical treatments
- None standard — synthetics common, declare!
What to look for when buying wholesale
- Strength of colour change is everything: 100% (full) is the trade benchmark.
- Synthetic and simulated alexandrite is everywhere — always require lab confirmation.
- Russian provenance commands a 3–5× premium and SSEF/Gübelin reports are the trade standard.
Certification guidance
Any natural alexandrite over USD 1,500 should travel with a recent independent lab report stating natural origin and colour-change percentage.
Treatment disclosure
Natural alexandrite is almost never treated; synthetics are the main risk and must always be disclosed.
Typical wholesale price tiers
| Tier | Wholesale | Notes |
|---|---|---|
| Commercial | $300–$2,000 / ct | Weak colour change, included |
| Fine | $2,000–$15,000 / ct | Strong change, eye-clean |
| Exceptional | $15,000–$100,000+ / ct | Russian, 100% change, large sizes |
Prices are indicative wholesale-to-trade ranges. Actual offers depend on origin, certification and supply at the time of enquiry.
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