Colombo 07, Sri Lanka
Monday - Saturday 8:00 AM - 5:00 PM
+94 11 436 0008
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  • Identification
    Our expertise in gem testing enables us to identify the types and species
    of a gemstone and help distinguish between synthetic and natural gems
  • Color Grading
    Captivating color of a gemstone is one of the main aspects that determine the beauty of a gemstone
    Our glabal exposure an experience since 1990 are key contributing factors to match the international color grading standards
  • Geographic Origin
    Precise determination of the geographical origin contributes significant value to the gemstone

Reliable Efficient Express

1

Submit Gemstones

Amaran Gemlab will issue a Goods Receive Note upon hand off.
2

laborotary test

Amaran Gemlab Gemologist will carryout the Lab test using state of the art lab equipment.
3

Issue Certificate

Upon completion of lab test, Amaran Gemlab will issue a Full Report, Brief Report, or Verbal Report.

Amaran Gemlab

AMARAN GEMLAB is specialized in identifying all types of colored gemstones including sapphires, diamonds as well as gemstones mounted in jewellery. Our laboratory is equipped with the latest state-of-the-art European manufactured advance gem testing instruments which includes a Photoluminescence (PL) spectrometer, US-Vis-NIR spectrometer and FTIR spectrometer.

AMARAN GEM LAB also ensures the highest level of integrity and accuracy of every gemstone submitted to us for identification and color grading purposes.

AMARAN is a member of International Colored Gemstone Association (ICA)

Digital Certificate Verification

Gemstone certificates issued by Amaran Gemlab are endorsed with digitally signed secure QR Codes. This digital technology adds an extra layer of security and a proof of originality to your certificate by enabling a certificate holder to verify certificate data against the originally recorded data by Amaran Gemlab.



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Advance Equipment at Amaran Laboratory

FTIR spectroscopy

  • Detect polymers, oils and resins used for impregnation, e.g. in jadeite, opal or emerald
  • Distinguish certain natural and synthetic gem materials, e.g. emerald, aquamarine
  • Diamond analysis treatments detection
  • Opinions on heat treatment on ruby and sapphire
  • Works best on faceted gems but may give results even for rough stones
  • Testing can be done for loose gems from 0.05 to 50+ ct

Raman spectrometry

  • Rapid gem identification typically between 20 seconds to 4 minutes (loose, mounted and rough)
  • Analyzing inclusions to determine the geographical origin
  • Analyzing diamonds that have undergone High Pressure High Temperature (HPHT) treatment
  • Separate synthetic materials and detect treatments and colour enhancements of gemstones
  • Non destructive tool for gemologists
  • Works best on polished surfaces but can identify rough as well

UV-VIS-NIR Spectrometer

  • Testing gemstones that have undergone heat treatment (such as ruby & sapphire)
  • Distinguishing between synthetic and natural gemstones
  • Determining the geographical origin of gems
  • Enhancement identification
  • Verify the natural origin of colourless diamonds as well as fancy coloured Diamonds, Sapphires, Emerald, Spinel etcNon destructive tool for gemologists
  • Works for loose gemstones from 0.01 to 50+ ct
  • Works best on transparent to translucent gems
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