Gemstone Identification
Definitive species and variety identification — sapphire, ruby, emerald, spinel, tourmaline, garnet, topaz and more — using refractometry, polariscope, spectroscopy and microscopic examination.
From single-stone identification to bulk-parcel grading and educational services for the trade.
Each service can be issued as a stand-alone report or bundled into a full identification certificate.
Definitive species and variety identification — sapphire, ruby, emerald, spinel, tourmaline, garnet, topaz and more — using refractometry, polariscope, spectroscopy and microscopic examination.
Origin opinions for sapphires, rubies and emeralds based on inclusion suites, trace-element analysis and our extensive in-house reference database — particularly strong on Ceylon, Mogok, Mozambique and Madagascar material.
Detection of heat treatment, beryllium / titanium diffusion, glass / lead-glass filling, dyeing, oiling and resin enhancement using FTIR and UV-Vis-NIR spectroscopy.
Full certificates with photograph, weight, dimensions, species, variety, origin opinion (where applicable) and treatment status — issued on tamper-evident security paper with online verification.
Natural-vs-cultured determination, identification of saltwater & freshwater origin and treatment screening — for loose pearls and mounted jewellery alike.
Type-A jadeite verification (no polymer impregnation, no dyeing) using FTIR and microscopy — essential for high-value jadeite trading.
Cost-effective per-stone evaluation for parcels of cut stones — useful for trade buyers preparing inventory for resale or auction.
Half-day and full-day workshops for jewellers, retailers and collectors on gem identification, treatment recognition and the Sri Lankan trade.
Bespoke consultancy on inventory, sourcing, claim verification, and lab-protocol design for jewellery houses and auction specialists.
A small selection of the gem species and varieties our laboratory examines every day — each photographed in our own facility.
And many more — tourmaline, spinel, garnet, topaz, zircon, alexandrite, jadeite, pearl & diamond.
Walk in to our Colombo office or send your stones via insured courier. Trade-account holders enjoy priority intake.
Each stone is weighed, measured, photographed and assigned a unique laboratory number on receipt.
Our gemologists run the full battery of tests required for the requested service — typically within 24 to 48 hours.
You receive your printed certificate and a digital copy with a unique online verification number.
Standard identification reports are typically issued within one business day of receipt. Origin and treatment-detection services may take an additional 24 to 48 hours depending on the stone.
Pricing is based on the type of service and the size of the stone — please contact us for a quotation, or open a trade account for volume submissions.
Request a quoteTalk to us about your testing requirements — we’ll quote within one business day.