Gemstone testing with professional instruments

GEM TESTING STANDARDS
YOU CAN TRUST

PROFESSIONAL  •  ACCURATE  •  TRUSTED

We provide expert gem testing and identification with issuance of several types of comprehensive gemmological reports. Our gem examinations are conducted by experienced gemmologists using equipments and instruments in accorance with international standards. On request, details concerning particular gem enhancements/treatments are also provided.

INTERNATIONAL STANDARDS

Testing that follows world-class
gemmological institute standards

MODERN INSTRUMENTS

Advanced technology used
throughout every test

EXPERT AND TRUSTED

A team of specialists
in gemmology

ACCURATE RESULTS

Test results that are
precise and dependable

EMIL PRECIOUS CO., LTD. office

ABOUT US

ABOUT US

As one of the oldest gem testing laboratories in Bangkok, we have been enjoying the trust and support of traders and general public both local and international for decades. Bangkok being the major gemstone trading centre, we have always been given a firsthand opportunity of testing all those enhanced/treated stones in their earliest stage, and thus gaining valuable gemmological experiences.

Through close communications with our customers, we have continuously improved our service to meet their needs over the years. We are the first gem testing laboratory in Thailand, or probably in the world to introduce card size gem identification reports at reasonable prices, and for those in an extreme hurry, we provide 'super express' option.

Under the same Japanese-Thai experienced gemmological and management team, we have always been and will be a fair and reliable partner for all those involved in gem trading and look forward to serving you soon.

Under the same Japanese-Thai experienced gemmological and management team, we have always been and will be a fair and reliable partner for all those involved in gem trading and look forward to serving you soon.

READ MORE ABOUT US

SERVICE FEE

Please choose a report format from three types below.

I.D. REPORT

LARGE FULL REPORT WITH ANALYSIS AND PHOTO

Service Level Collection Time Price / Item
Standard From 3 days onwards 980 THB
Express Within 2 days / next-day collection 1,080 THB
Super Express Fastest Same day, while you wait 1,280 THB

I.D. PHOTOCARD

CARD SIZE REPORT WITH SMALL PHOTO

Service Level Collection Time Price / Item
Standard From 3 days onwards 480 THB
Express Within 2 days / next-day collection 580 THB
Super Express Fastest Same day, while you wait 680 THB

I.D. MEMOCARD

CARD SIZE REPORT WITHOUT PHOTO

Service Level Collection Time Price / Item
Standard From 3 days onwards 300 THB
Express Within 2 days / next-day collection 380 THB
Super Express Fastest Same day, while you wait 480 THB

For large quantity discount, Please contact us directly.

MEMBER ID click
Emerald ring

OPTIONAL SERVICES

ADDITIONAL CHARGES

  • Origin Opinion+200 THB/item
  • Diamond colour / clarity
    Grade Opinion
    +200 THB/item
  • Large photo on the reverse+200 THB/item

REISSUE FEE

REISSUING A REPORT

  • Full Report with photo500 THB/Report
  • Report card with photo200 THB/card
  • Report card without photo100 THB/card
COUPON PRIVILEGE
Buy a coupon20,000THB
Get 20% offthe prices above

Use the discount an unlimited number of times within your coupon balance.

* The prices above include 7% VAT and are subject to change without prior notice.

GEMMOLOGY

GEMMOLOGY

Gemmology is the scientific study and testing of gemstones, carried out to identify the species, the origin and any treatment applied, and to assess value accurately.

  • Testing with modern instruments
  • Analysis of physical and optical properties
  • Identification of origin and treatment
  • Internationally recognised reports
REQUEST MORE INFORMATION
Gemstone examination under a microscope

SAMPLE REPORT

SAMPLE REPORTS

Diamond report

Diamond Report

Ruby report

Ruby Report

Blue sapphire report

Blue Sapphire Report

Emerald report

Emerald Report

Yellow sapphire report

Yellow Sapphire Report

Gemstone report

Jade Report

Bi-colour gemstone report

Colour Change Star Sapphire Report

Member of Gem Associations

Gemmological institute partner 1
Gemmological institute partner 2

FREQUENTLY ASKED QUESTIONS (FAQ)

Testing generally takes 1–3 working days, depending on the type of gemstone and the analyses required. If you need results urgently, please tell our staff on the day you submit the item.

Once the analysis is complete, we issue the report within 1 working day, including a report number for traceability.

Our reports are issued by expert gemmologists and follow international gemmological institute standards, so they are accepted both in Thailand and abroad.

Yes. You may bring items in yourself or ship them to us. We recommend using a courier service that insures the item for its full value, and contacting our staff in advance so the paperwork can be prepared.

Yes. We distinguish natural gemstones from synthetic and imitation stones, and we report every form of treatment we detect.

The service fees shown on this website include 7% VAT and are subject to change without prior notice.

CONTACT US

EMIL PRECIOUS CO., LTD. (Company registration no. 0105535059144)

119 BIS Building (formerly the Warner Building), Phase 2, 4th Floor, Room 4F4 (next to the glass lift on the 4th floor), Mahesak Road, Suriyawong, Bang Rak, Bangkok 10500, Thailand
Tel : 0-2234-8872, 0-2237-1928, 0-2234-3700-9 (10 lines) Room 447   08-1912-8208 (English/Japanese)
Fax : 0-2237-1928
Email : info@emil.co.th , micky@emil.co.th