Work with us
Complaint
Work with us
Complaint
SEARCH
HOME
About Us
Services
Training
Information Service
Research
e-Service
Membership & Privileges
Infomation Center
Contact Us
HOME
About Us
About Us
Organization Direction
Organization Direction
Laws, Rules, Regulations, Announcements
Strategies, key strategies and plans
Statement of corporate policy direction
Policy and Plan
Annual Report
Board of Executive Directors
Board of Executive Directors
Structure
Structure
Procurement
HR Management and Development
Quality System Standards
Quality System Standards
Service Standards
Implementation standards
News
News
Meetings/Seminars
Recruitment
Recruitment
Services
Services
Gemstone
Gem Identification Services
Lab Fees
Report Verification
Sample Tracking
LMHC Information
Precious Metals
Precious Metals Services
Lab Fees
Report Verification
Sample Tracking
Counseling Center
Gemological Instruments
Tools
Diamond Calculation System
Calculate Diamond
Gem analysis with advanced analytical tools
Training
Training
On-Site Course
Annual Training Course
Gemology
Gold
Design
Gem and jewelry manufacturing
Online Course
Meet the GIT’s Master
GIT Essential GJBD
GIT Essential DGC
GIT Essential Jewelry Design
GIT Essential Gold and Precious Metal
Seminar/Workshop
Short training course
Seminar & Workshop Schedule
In House
Organizing special training for departments/companies
Design Award
Information Service
Information Service
Gem and Jewelry Information Center
Gem and Jewelry Information Center
Articles
Technical
Design
General
e-Library
Library Search
Catalogues and Collections
How to use the Library
Online Bookstore
Contact Us
Museum
Background
Exhibit
Donation
Entry Fees
GIT E-Learning
Seminar
Gems & Jewelry market
Gems & Jewelry
Tourist attraction, source of gems/jewelry
Web Link
Institution
Association/Club
Government
Public Organization
Calendar
Research
Research
Research
Research on raw materials and gem quality inspection
Research in production technology and design
Marketing Research
e-Service
e-Service
Membership & Privileges
Membership & Privileges
Infomation Center
Infomation Center
Contact Us
Contact Us
Accessibility Menu
Information Service
HOME
Information Service
Articles
Articles
Museum
Web Link
Articles
Technical
Design
General
2018-09-04: Sri Lankan Sapphire Enhanced by Heat with Pressure
Share :
893 Visit
Attachment
Article-0409201801.pdf
File size : 5.73 Mb | File type : .pdf
BACK
We value your privacy. To give you a good experience on our website. If you use this website without any adjustments, It means you agree to our use of cookies and our privacy policy.
Accept
Decline
นางนันทวัลย์ ศกุนตนาค
อดีตปลัดกระทรวงพาณิชย์
(29 มิ.ย. 2564 - ปัจจุบัน)
Email: rphusit@git.or.th
Tel: 0-2634-4999 633
SEARCH
Work with us
Complaint
