GLOBAL GEM TESTING LABORATORY
Welcome to GGTL

Global Gem testing laboratory is an independent firm that identifies appraises and evaluates gemstones and jewellery. We perform these services for the jewellery trade and the public.We have with us highly experienced and qualified gemologist in our laboratory, with membership of Alumni Association GIA, Gemmologist Association Great Britain (FGA) and Gemmologist Association Sri Lanka (MGA).

Member of Gemological Association of Great Britain Alumni Member of GIA
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Validate Your GGTL Card Certitificate Please send Referance number of the card to email or WhatsApp.
Email : lab@ggtsl.com
Whatsup : +94 727 824 119

Our Services

GGTL GEM TESTING

Gem Testing

We assure you a precise and accurate test report at all time
  • Weight and measurement.
  • Colour and other optical and physical properties.
  • Species and variety of te apecimen.
  • Identify thermal treatment (heat un-heated).
  • Oil treatment & lead glass treatment.
  • Cobalt & titanium treatment.
  • Beryllium diffusions treatment.
  • Country of origin.

Advanced Testing

GGTL GEM TESTING
GGTL GEM TESTING
UV-VIS-NIR Spectrophotometer
Gemmo Ftir
Address

Bambalapitiya Branch,
5/3, Joseph’s Lane, Colombo 04,
Sri Lanka.

Beruwala Branch,
GTC,44/2B,17/1,Sheikh Faccy Mawatha,China Fort,Beruwala. Sri Lanka.

GGTL Sri Lanka or Global Gem Testing Laboratory Sri Lanka is Located only in Colombo and Beruwalle . No any other branches any where in Sri Lanka

Contact us
Tel : +94 11 2077989, +94 11 4503689
Mob : +94 72 7824119, +94 76 8213144
Email : pksusitha@ggtlsl.com