WebWe at GSI have a vision: to create a modern, state-of-the-art diamond grading lab that takes advantage of the latest breakthroughs in diamond grading. To do this, we reengineered the diamond grading process and founded it on foolproof cutting-edge technology and automation. The result is diamonds that are graded to the highest standards. WebIGI grades the widest variety of gemstones and jewelry in more corners of the world than any other gemological organization. As the global leader for jewelry assessment our experience and reach are unrivaled. Renowned …
An Introduction to Gemology - International Gem Society
WebThe first GIA gemological laboratory was established in Los Angeles in 1931. Shortly thereafter, the institute introduced the "Certified Gemologist" professional designation. In 2005 a bribery allegation against GIA lab workers raised questions on the integrity of diamond grading labs. A dealer claimed of fraud involving its lab workers on ... http://gemologicaltestinglaboratory.com/ jims earthworms
Main Page - وب سایت رسمی کارشناسی جواهرات
WebGSI is a leading gemological lab offering a variety of gemological services worldwide. From basic grading service to the most sophisticated testing and examination using advanced instruments, GSI does it all. Every diamond is unique and differs in quality, shapes, and sizes. A diamond, natural or lab grown, is assessed for its quality based on ... WebStudy the latest gem treatments in the market today, and how illumination techniques can facilitate the identification process. Additionally, the course covers how – and when – to use gemological laboratory services and how to use gem identification skills to protect your business from costly mistakes. Required For. Graduate Gemologist ... WebAGS stands for American Gemological Society and it is also a US based laboratory (with main offices in Las Vegas).The AGS laboratory is renowned for its scientific approach and research in diamond cut grading. Instead of using an alphabetical rating system, AGS uses a scale of 0-10 for rating a diamond’s characteristics, with 0 as the best and 10 as the … jim sedlak american life league