LOCATION
Gem Testing Center
The Gem and Jewelry Institute of Thailand
(Public Organization) ITF-Tower Building.
4th Floor, Silom Road, Suriyawong
Bangrak, Bangkok 10500, Thailand

Tel: +66 2634 4999 ext. 409
Fax: +66 2634 4970
E-mail:

LAB HOURS
Mon - Fri: 09:30 - 17:00
Closed on Thai government public holidays

LAB FEES

Laboratory Fee Schedule

The tables below lists GIT's fees for our different lab services.

Gem Testing Services
Jewelry/Metal Testing Services
Diamond Identification, Grading & Color Verification

Variety
Size (ct)
Option
Price (Baht)*
Report Sample

Grading
< 1.00
Report with photograph
1,300
1.00 - 5.00
Report with photograph
1,500
> 5.00
Report with photograph
+ 700 / ct

Fancy color authenticity verification
< 1.00
Report with photograph
2,500
1.00 - 1.99
Report with photograph
3,000
2.00 - 2.99
Report with photograph
3,500
3.00 - 4.99
Report with photograph
4,500
>= 5.00
Report with photograph
6,000
*All Prices exclusive of 7% VAT

Gem Identification (Report with photograph)

Variety
Size (ct)
Price (Baht)*
Report Samples

Ruby
< 3.00
3.00 - 6.99
>= 7.00
Origin determination
1,600
2,500
3,700
Add 1,500 / stone
Ruby Report

Sapphire
< 3.00
3.00 - 6.99
>= 7.00
Origin determination
1,600
2,500
3,700
Add 1,500 / stone
Sapphire Report

Emerald
< 3.00
3.00 - 6.99
>= 7.00
Origin determination
1,600
2,500
3,700
Add 1,500 / stone
Emerald Report

Chrysoberyl
<= 20.00
> 20.00
1,600
2,500
Chrysoberyl Report

Jade
<= 10.00
> 10.00
1,600
2,500
Jade Report

Other Colored Stones
<= 20.00
> 20.00
1,600
2,500
Colored Stone Report
*All Prices exclusive of 7% VAT


Pearl Identification (Report with photograph)

Variety
Quantity Option
Price (Baht)*
Report Samples

Pearl
Single pearl <= 12 mm
1,600
Pearl Report
> 12 mm
2,500
Strand Strand 16 inch or below and Pearl diameter less than 12 mm
5,000
Strand 16 inch or below and Pearl diameter larger than 12 mm
8,000
*If the strand is longer than 16”, we will charge the exceed of 16” as ratio per inch
*All Prices exclusive of 7% VAT

Gemstone Memo Identification

Variety Option
Price (Baht)*
All Sized of Semi-Precious Colored Stones Without treatment determination
500
*All Prices exclusive of 7% VAT

Precious Metals Testing Service Fees
Inductively Couple Plasma (ICP)

Type of Reports
Fee per Article (Baht)
1. Single element fineness report 600
2. Single element fineness report (Solution) 500
3. Sample preparation for special sample, e.g. electronic parts, powder, rock and mineral (Plus No. 1) 500
4. More than 1 element (The excess of No. 1 will be charged) + 300 per additional element
5. General elements report without percentage identification 500
6. Nickel Release Testing by BSEN1811:2011+A1:2015 for one part of one article 3,000 / 2,500 (More than 10 samples)
7. Nickel Release Testing by BSEN1811:2011+A1:2015 for more than 1 parts of one article +1000 per additional part

Potentiometric Titration

Type of Reports
Fee per Article (Baht)
1. Silver fineness report 200

Fire Assay

Type of Reports
Fee per Article (Baht)
1. Gold fineness report 600
2. Gold fineness report for special sample, e.g. electronic parts, powder 800 - 1,000

X-ray Fluorescence (XRF)

Type of Reports
Fee per Article (Baht)
1. Single element 200
2. General elements 300
3. Single element in various part of one article (Plus No. 1) + 100 per spot
4. General elements in various part of one article (Plus No. 2) + 200 per spot
5. Thickness of a single layer in a coated article 800 per layer
6. Thickness of an additional layer in one coated article (Plus No. 5) +400 per additional layer

*All prices exclusive of 7% Vat
*All members may get discount according to the membership privilege.

For more information, please contact Precious Metal Testing Laboratory at 02-634-4999 ext. 401, 421-425