Gemological Laboratory · Bengaluru
Accurate Testing.
Verified Certificates.
We identify and certify gemstones, diamonds, gold and jewellery with spectroscopic precision — issuing tamper-proof reports you and your clients can verify in seconds.
The instruments to be sure — and the honesty to say so
Certification is only worth what stands behind it. Every Luminex report rests on measured evidence, trained eyes and a process built to be checked.
Advanced Instruments
UV-Vis-NIR & FTIR spectroscopy, gem microscopy and precision balances read the evidence a loupe never can.
Trusted & Transparent
Clear methodology, verifiable findings and tamper-proof reports — no ambiguity, no shortcuts.
Certified Gemologists
Every stone is examined by internationally trained gemologists, not automated guesswork.
Quick Turnaround
A streamlined lab flow returns most reports within 24 – 48 hours, tracked from intake to seal.
Five certifications, one standard of proof
Each test concludes in a sealed, digitally verifiable report — clear findings, plotted diagrams and a code anyone can check.
SPECIES, VARIETY, ORIGIN & TREATMENTGemstone Testing & Identification
Species, variety, origin and treatment resolved with spectroscopy and microscopy.
NATURAL VS LAB-GROWN, FULL 4CSDiamond Testing & 4Cs Review
Natural-versus-lab-grown screening plus a full Cut, Colour, Clarity and Carat review.
FULL-PIECE VALUATION FOR INSURANCE & TRADEJewellery Appraisal & Valuation
Materials, craftsmanship and market value documented for insurance and resale.
AUTHENTICITY & MUKHI VALIDATIONRudraksh Testing & Certification
Authenticity, mukhi count and natural-versus-artificial checks, fully certified.
Not sure which test you need?
Bring the piece in and our gemologists will advise the right analysis — no obligation, no jargon.
From your hand to a sealed certificate
A tracked, transparent path — you always know where your gem is and what it revealed.
Submit your gem
Drop off or courier your stone, diamond, jewellery or rudraksh. Each item is logged, photographed and given a unique report number.
Laboratory analysis
Gemologists run spectroscopy, microscopy and gravimetric tests to establish identity, origin, treatment and grade.
Certification
Findings are compiled into a sealed, tamper-proof certificate with plotted diagrams and a secure verification code.
Verify anytime
Anyone can confirm a report's authenticity online using its number — for buyers, sellers and insurers alike.
Every submission is read under calibrated instruments by gemologists trained to trust evidence over instinct.
The people who stake their word on ours
Luminex caught a diffusion treatment two other opinions had missed. Their report closed the sale in an afternoon.
Clean, plotted diamond certificates my customers actually trust. The online verification seals the deal every time.
Fast, precise gold assays with proper documentation. Exactly what our loan desk needs before we lend against a piece.
Bring in your gem. Leave with certainty.
Walk-ins and courier submissions welcome at our Bengaluru, Karnataka laboratory. Most reports are ready within 24–48 hours.
Send us the details — we'll take it from there
Tell us what you'd like tested and how to reach you. We'll confirm timing and pricing before any work begins.
Visit the laboratory
- Hours
- Mon – Sat · 10:00 AM – 7:00 PM