SAPPHIRES ◆ RUBIES ◆ EMERALDS
LGQ
CERTIFIED RARE GEMSTONES
Laboratoire Gem Quebec
In 2026, buying gems online is the sister of AI content: imitations, undisclosed treatments, and misleading ads represent the entirety of the unofficial market.
Laboratoire Gem Québec analyzes, verifies and certifies its stones, then offers them to its members at prices always lower than the wholesale price.
Certification
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Free basic certificate: Included with every cut stone (5-point analysis). Rough stones are certified without a certificate. In case of ambiguity, no certificate is issued and a note will appear in the listing.
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Radioactivity verification: Systematically performed with rigor. No radioactive stones will be delivered.
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Conforms to international standards: Written in English by default to maximize international value.
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Stones over $1,500: A full Tier 1 certificate with an online link is automatically included, in addition to the small free certificate (unless otherwise stated).