The Gemological Institute of America (GIA) is better known for its educational opportunities. However, they also have a lot of open positions right now listed under the employment section of its web site. Locations are international as well as located in California and New York. Some of the positions include diamond graders, jewelry instructors, staff gemologist, and lots of administrative type careers:

Join a Team of Professionals

Over 1000 people around the world work for the Gemological Institute of America and its affiliate companies. Some are gemologists who are dedicated to the study, grading, and identification of gemstones. Some are educators who are committed to teaching. The rest are highly skilled professionals representing almost every aspect of the business world. This diverse and highly talented group works as a team to fulfill the Institute's mission to educate and serve the international gem and jewelry industry, and thereby ensure the public trust.

Benefits

The Gemological Institute of America offers a competitive benefits package to its employees.
Pre-Employment Requirements

Applicants and new hires are subject to background checks, including reference checks and work history verification.

Pre-employment drug testing is required for all potential employees.

The Immigration Reform and Control Act requires employment eligibility certification for all employees. All job offers are contingent upon completion of the I-9 verification process.

Equal Opportunity Employer

The Gemological Institute of America is an equal opportunity employer and does not discriminate against persons on the basis of race, religion, national origin, sexual orientation, gender, marital status, age, disability, or veterans status.

You can find all the details and application requirements on the GIA web site.