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Diamond Tester Jobs (NOW HIRING)

Diamond America

Polisher - Extruder screw

Mogadore, OH · On-site

$18 - $35/hr

Our key services include laboratory testing, equipment design, and remanufacturing defective or worn-down parts. Today, Diamond America remains a market leader to help keep critical manufacturing ...

Diamond America

Applications Engineer

Mogadore, OH · On-site

$60K/yr

Our key services include laboratory testing, equipment design, and remanufacturing defective or worn-down parts. Today, Diamond America remains a market leader to help keep critical manufacturing ...

Diamond's Management Group

Conduit Specialist

Manassas, VA · On-site

$25 - $32/hr

Position Overview Diamond's Management Group, Inc. is seeking an experienced and detail-oriented ... Verify conduit placement meets project specifications and tolerances * Assist with mandrel testing ...

Red Diamond, Inc.

Control Room Specialist

Moody, AL · On-site

Red Diamond | Moody, AL Shift: Monday-Thursday, 5:00 AM - 3:30 PM Overtime: Occasional Fridays as ... Performing color testing using an Agtron Color Analyzer and adjusting roast profiles as needed

Beveridge & Diamond PC

HRIS Analyst

Washington, DC

Description Beveridge & Diamond, PC, the foremost national corporate environmental law firm, is ... updates, testing, and issue resolution. Collaborate with IT and external vendors to resolve ...

Beveridge & Diamond PC

HRIS Analyst

Washington, DC · On-site

Beveridge & Diamond, PC, the foremost national corporate environmental law firm, is seeking a HRIS ... Responsibilities • Maintain HRIS and related systems, including workflows, data updates, testing ...

Diamond Pet Foods

Receiving Technician

Rushville, IN · On-site

Follow proper testing protocols for incoming ingredients, including sieve, Perten, and moisture ... Diamond team members, vendors, and customers. * Participate effectively in a team atmosphere by ...

Diamond Communications

RF Radio Technician

Venice, FL · On-site

Conduct bench and field-testing using service monitors, spectrum analyzers, and other RF diagnostic ... Diamond provides a comprehensive compensation and benefits package which includes: * Comprehensive ...

Diamond Pet Foods

Receiving Technician

Rushville, IN

$21 - $23/hr

Follow proper testing protocols for incoming ingredients, including sieve, Perten, and moisture ... Diamond team members, vendors, and customers. * Participate effectively in a team atmosphere by ...

Diamond Communications

RF Radio Technician

Venice, FL · On-site

Conduct bench and field-testing using service monitors, spectrum analyzers, and other RF diagnostic ... Diamond provides a comprehensive compensation and benefits package which includes: * Comprehensive ...

Diamond Communications

RF Radio Technician

Venice, FL · On-site

Conduct bench and field-testing using service monitors, spectrum analyzers, and other RF diagnostic ... Diamond provides a comprehensive compensation and benefits package which includes: * Comprehensive ...

Diamond Communications

RF Radio Technician

Venice, FL

Conduct bench and field-testing using service monitors, spectrum analyzers, and other RF diagnostic ... Diamond provides a comprehensive compensation and benefits package which includes: * Comprehensive ...

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Diamond Tester information

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$10

$38

$62

How much do diamond tester jobs pay per hour?

As of Jun 24, 2026, the average hourly pay for diamond tester in the United States is $38.36, according to ZipRecruiter salary data. Most workers in this role earn between $21.39 and $50.72 per hour, depending on experience, location, and employer.

What is a Diamond Tester?

A diamond tester is a professional tool or device used to determine whether a gemstone is a real diamond or a simulated stone, such as cubic zirconia or moissanite. People who operate diamond testers, often called diamond testers or gemologists, use these devices to check the authenticity of diamonds by measuring their thermal or electrical conductivity. This process is essential for jewelers, pawn shops, and buyers to verify the value and legitimacy of diamond jewelry. Proper use of a diamond tester helps prevent fraud and ensures transparent transactions in the gemstone market.

What are some typical challenges faced by Diamond Testers in accurately evaluating gemstones?

Diamond Testers often encounter challenges such as distinguishing between natural diamonds and high-quality synthetic stones, or simulants like moissanite. Since some imitation stones can closely mimic the physical and optical properties of real diamonds, testers must stay current with the latest testing equipment and techniques. Additionally, environmental factors like lighting conditions or contamination on the stone can affect test results, requiring careful preparation and attention to detail. Regular calibration of testing devices and ongoing training are essential to maintain accuracy and credibility in this role.

What are the key skills and qualifications needed to thrive as a Diamond Tester, and why are they important?

To thrive as a Diamond Tester, you need a solid understanding of gemology, attention to detail, and often a certification in gemstone identification. Familiarity with diamond testing equipment, such as electronic diamond testers and microscopes, is typically required. Strong observational skills, honesty, and effective communication are essential soft skills for building trust with clients and colleagues. These skills ensure accurate gemstone identification, minimize errors, and uphold the integrity of jewelry transactions.

Polisher - Extruder screw

Diamond America

Mogadore, OH • On-site

$18 - $35/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 21 days ago

Job description

Job Title: Screw Polisher

Employment Type: Full Time I On-Site

Location: Mogadore, OH

Who We Are

Established in 2001, Diamond America designs and manufactures extrusion equipment for private and contract manufacturing companies. From pet food to silicone and pharmaceuticals, we proudly serve over 40+ industries with a strong presence in 70+ countries across the globe. Our mission is to utilize our experience in manufacturing, extrusion, and die design to provide our customers with specialized tooling and machinery of the highest product integrity. We will challenge ourselves to understand our customers’ process and provide them with the latest in wear technologies, advanced manufacturing, and innovative engineering that ensures a competitive advantage for our customers and our company.

Our key services include laboratory testing, equipment design, and remanufacturing defective or worn-down parts. Today, Diamond America remains a market leader to help keep critical manufacturing operations on track and achieve key operational goals.

Position Summary

As an experienced Polisher, you’ll play a vital part in helping produce and inspect extruder screws. The ideal candidate will ensure that screws are polished and finished to our highest standard of quality.

This role reports directly to the Operations Manager.

Responsibilities
  • OD grind, straighten, root grind, and final polish (color buff) screw.
  • Evaluate feed screws for rework. Describe work scope and submit to estimating.
  • Inspect finished workpieces for defects and inconsistencies.
  • Ensure work is completed to a high standard of quality and accuracy.
  • Follow safety rules and procedures at all times.
    • Educational & Technical Skills
  • High school diploma or GED.
  • Ability to learn to read blueprints.
  • High attention to detail.
  • Familiarity with hand tools and power tools used in polishing and grinding.
  • Ability to stand for extended periods of time and move materials.
  • Basic math skills.
  • Punctual consistent attendance.
    • Company Benefits
  • Competitive salary
  • Medical, dental, and vision insurance
  • 10 paid company holidays
  • Annual company contributions to Health Savings Account (HSA)
  • Voluntary benefits include company paid life insurance, short/longterm disability
  • 401(k) plan with employer match
  • Professional development opportunities
  • First shift flexibility
    • Compensation Range

    $ 18.00/hr - $35.00/hr USD

    Salary is based on experience. On-the-job training will be provided.

    This role does not qualify for relocation assistance.

    Equal Opportunity Employer Statement (EEO)

    Diamond America Corporation is committed to providing equal opportunity in all of our employment practices, including selection, hiring, promotion, transfer, and compensation, to all qualified applicants and employees without regard to race, religion, color, sex, age, national origin, citizenship status, ancestry, handicap, disability, or any other protected status in accordance with the requirements of all Federal, State, and local laws. If you need assistance applying, please contact Michele Robinette, HR Manager, at mrobinette@daextrusion.com.

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