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Gemstone Certificates

Gemstone Certificates & Identification Reports

We provide our customers the option to get their purchased gemstones certified by the National Gem and Jewellery Authority of Sri Lanka, which is a state owned organization to implement strategies and policy priorities for the development of the gem and jewellery industry of Sri Lanka.

The testing is carried out by qualified gemologists at the Gem Testing Laboratory located at No. 25, Galle Face Terrace, Colombo 03, Sri Lanka.

The Sri Lanka NGJA provides Three types of gem certifications based on the customer request.

1.   Gemstone Memo Card

Gemstone Memo Card is a basic report with minimal details to assure the correctness of the variety, weight and dimensions of the stone tested.

Information Specified in this Memo Card are,

a.       Gemstone Group Name – ex: Natural Spinel

b.      Weight of the Stone – ex: 1.24 cts

c.       State of the Stone – Cut & Polish

d.      Dimensions of the Stone – ex: 7.90 mm x 6.03 mm x 3.57 mm

See a sample Gemstone Memo Card below.

Gemstone Memo Card

 

 

 

 

 

 

 

2.   Gem Certificate (Detailed Report)

Gemstone Certificate is a detailed report printed as a certificate with all necessary details to assure the correctness of the variety, weight and dimensions of the stone tested.

Information Specified in this Certificate are,

a.       Gemstone Variety and Group Name – ex: Hessonite Garnet

b.      Weight of the Stone – ex: 1.21 cts

c.       Dimensions of the Stone – ex: 7.87 mm x 5.78 mm x 3.36 mm

d.      Color – ex: Brownish Orange

e.      Diaphaneity – ex: Transparent

f.        Type of Cut – ex: Mixed Cut

g.       Shape – ex: Oval

h.    Other Tests & Results Including Refractive Index, Specific Gravity, Polariscope Test, Absorption Spectrum, Microscope Examination, Fluorescence for  Long and Short UV Waves, Pleochroism, etc.

See a sample Gem Certificate below.

Gem Certificate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.   Gem Identification Report (Detailed Report)

Gemstone Identification Report is a detailed report printed as a beautiful Gift Card with all necessary details to assure the correctness of the variety, weight and dimensions of the stone tested. This is suitable for those who purchase the gemstone in order to present it as a gift.

Information Specified in this Certificate are,

a.       A Colored Photograph of the Gemstone

b.      Gemstone Species Name – ex: Zircon

c.       Variety of the Gemstone – ex: Yellow Zircon

d.      Weight of the Stone – ex: 2.51 cts

e.      Dimensions of the Stone – ex: 7.81 mm x 6.54 mm x 4.41 mm

f.        Color – ex: Brownish Yellow

g.       Transparency – ex: Transparent

h.      Type of Cut – ex: Mixed Cut

i.        Shape – ex: Rectangular

j.     Other Tests & Results Including Refractive Index, Specific Gravity, Polariscope Test, Absorption Spectrum, Microscope Examination, Fluorescence for  Long and Short UV Waves, Pleochroism, etc.

 

See a sample Gem Identification Report below.

 

Gem Identification Report

 

 

 

 

 

 

 

 

 

 

 

 

Important Note to Those Request Gem Certificates:



what is a gemstone

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