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: 09:00 - 17:00
Closed on Thai government public holidays
Gem Identification Services
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 / stone |
|
1.00 - 5.00 |
Report with photograph |
1,500 / stone |
||
> 5.00 |
Report with photograph |
+ 700 / ct |
||
 Fancy color authenticity verification |
< 1.00 |
Report with photograph |
2,500 / stone |
|
1.00 - 1.99 |
Report with photograph |
3,000 / stone |
||
2.00 - 2.99 |
Report with photograph |
3,500 / stone |
||
3.00 - 4.99 |
Report with photograph |
4,500 / stone |
||
>= 5.00 |
Report with photograph |
6,000 / stone |
||
| *All price exclusive of 7% VAT | ||||
Gem Identification (Report with photograph)
Variety |
Size (ct) |
Price
(Baht)*
|
Report Sample |
 Ruby |
< 3.00
3.00 - 6.99 >= 7.00 Origin determination |
1,600 / stone
2,500 / stone 3,700 / stone Add 1,500 / stone |
|
 Sapphire |
< 3.00
3.00 - 6.99 >= 7.00 Origin determination |
1,600 / stone
2,500 / stone 3,700 / stone Add 1,500 / stone |
|
 Emerald |
< 3.00
3.00 - 6.99 >= 7.00 Origin determination |
1,600 / stone
2,500 / stone 3,700 / stone Add 1,500 / stone |
|
 Chrysoberyl |
<= 20.00
> 20.00 |
1,600 / stone
2,500 / stone |
|
 Jade |
<= 10.00
> 10.00 |
1,600 / stone
2,500 / stone |
|
 Other Colored Stones |
<= 20.00
> 20.00 |
1,600 / stone
2,500 / stone |
|
| *All price exclusive of 7% VAT |
|||
Pearl Identification (Report with photograph)
Variety |
Quantity | Option | Price (Baht)* |
Report Sample |
 Pearl |
Single pearl | <= 12 mm | 1,600 / piece |
|
| > 12 mm | 2,500 / piece |
|||
| Strand | Strand 16 inch or below and Pearl diameter less than 12 mm | 5,000 / strand |
||
| Strand 16 inch or below and Pearl diameter larger than 12 mm | 8,000 / strand |
|||
| *If the strand is longer than 16”, we will charge the exceed of 16” as ratio per inch *All price exclusive of 7% VAT |
||||
Jewelry Identification (Report with photograph)
Variety |
Quantity |
Price (Baht)* |
Report Sample |
|
 Jewelry Identification |
Gemstone 1 stone |
3,000 / piece |
|
|
|
Diamond 1-5 stone(s) (Randomly)
|
Additional gemstone 700 / stone |
|||
|
Precious metal XRF
|
Additional diamond 250 / stone |
|||
| *All prices exclusive of 7% VAT | ||||
Gemstone Memo Identification
Variety |
Option |
Price (Baht)* |
Report Sample |
|
All Sized of Semi-Precious Colored Stones
|
Without treatment determination |
300 / stone |
|
With treatment determination |
500 / stone |
||
|
All Sized of Precious Colored Stones
|
With treatment determination |
500 / stone |
|
|
All Sized of Diamonds, except color diamonds
|
Natural or Synthetic diamond determination |
500 / stone |
|
| *All price exclusive of 7% Vat | |||
| Remark : The price list can be changed without notice in advance. |
Diamond & Color stone Laser Inscription
| Diamond & Color stone Laser Inscription | Service Fee (Baht / Piece) |
| 1. GIT report number | 500 |
| 2. Alphabets up to 14 characters | 900 |
| Remarks: |
|
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
