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Diamond Evaluator Jobs (NOW HIRING)

Mariana Minerals

Diamond/Core Driller

Moab, UT · On-site

$23.25 - $31.50/hr

Summary The Diamond/Core Driller is responsible for safely and efficiently operating diamond drilling equipment to recover high-quality core samples for mineral exploration and geological evaluation.

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Diamond Evaluator information

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$29.5K

$65.5K

$106.5K

How much do diamond evaluator jobs pay per year?

As of Jul 26, 2026, the average yearly pay for diamond evaluator in the United States is $65,471.00, according to ZipRecruiter salary data. Most workers in this role earn between $44,500.00 and $79,500.00 per year, depending on experience, location, and employer.

How much do GIA certified people make?

GIA certified diamond evaluators typically earn between $40,000 and $70,000 annually, depending on experience, location, and employer. Certified professionals with advanced skills and certifications may earn higher salaries, especially in specialized or high-end markets.

Are jewelry appraisers in demand?

Jewelry appraisers, including those evaluating diamonds, are in steady demand due to the need for accurate valuation of jewelry for sales, insurance, and estate purposes. The profession requires certification and knowledge of gemstones and jewelry design, and employment opportunities are often found in jewelry stores, appraisal labs, and auction houses.

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

To thrive as a Diamond Evaluator, you need expertise in gemology, a keen eye for detail, and formal qualifications such as a diploma from the Gemological Institute of America (GIA) or equivalent. Familiarity with gemological microscopes, grading tools, and diamond certification systems is essential. Strong analytical skills, integrity, and effective communication help build trust with clients and ensure accurate reporting. These abilities are vital because the role demands precise assessment of diamond quality and authenticity, directly impacting valuation and client confidence.

How do you become a diamond inspector?

To become a diamond inspector, individuals typically need a high school diploma or equivalent, followed by specialized training in gemology or diamond grading. Certification from recognized organizations like the Gemological Institute of America (GIA) can enhance job prospects, and inspectors often develop skills in visual assessment, use of magnification tools, and understanding of diamond grading standards.

What is the difference between Diamond Evaluator vs Gemologist?

AspectDiamond EvaluatorGemologist
CredentialsCertified Gemologist Appraiser, GIA certificationGIA Gemologist Diploma, certification often required
Work EnvironmentLaboratories, appraisal offices, jewelry storesJewelry stores, laboratories, appraisal settings
Industry UsageFocuses on diamond grading and valuationBroader gemstone identification and grading
Search & Comparison IntentUnderstanding diamond valuation differencesBroader gemstone evaluation and identification

Diamond Evaluators specialize in grading and appraising diamonds, focusing on valuation accuracy. Gemologists have a broader scope, including various gemstones and jewelry. While both roles require similar certifications, Diamond Evaluators concentrate on diamonds specifically, making them more specialized in diamond grading and valuation.

What is a Diamond Evaluator?

A Diamond Evaluator is a professional who assesses the quality, value, and authenticity of diamonds. They use specialized tools and their expertise to examine characteristics such as cut, color, clarity, and carat weight, often following standards set by organizations like the Gemological Institute of America (GIA). Their evaluations help determine the market value of a diamond, which is important for buying, selling, insurance, and certification purposes. Diamond Evaluators may work for jewelry stores, auction houses, or independent appraisal firms.

What are some common challenges Diamond Evaluators face when assessing gemstones, and how can they be addressed?

Diamond Evaluators often encounter challenges such as distinguishing between natural and synthetic stones, identifying treatments or enhancements, and ensuring accurate grading under varying lighting conditions. These challenges can be addressed by staying current with gemological advancements, using specialized equipment like spectrometers and microscopes, and adhering to standardized grading systems such as those from the GIA. Collaborating with experienced gemologists and participating in continual training also helps evaluators maintain precision and credibility in their assessments.

What jobs pay $500,000 a year in the US?

In the field of diamond evaluation, highly experienced professionals such as senior gemologists or diamond appraisers working for major firms or in private consulting can potentially earn $500,000 or more annually, especially with advanced certifications and a strong reputation. Typically, such high earnings are associated with executive roles, ownership of appraisal businesses, or specialized consulting in the jewelry industry.
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Diamond Evaluator jobs near you
Infographic showing various Diamond Evaluator job openings in the United States as of July 2026, with employment types broken down into 1% Locum Tenens, 79% Full Time, 10% Part Time, 1% Temporary, and 9% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $65,471 per year, or $31.5 per hour.

Diamond/Core Driller

Mariana Minerals

Moab, UT • On-site

$23.25 - $31.50/hr

Full-time

Posted 20 days ago

Job description

About Mariana Minerals
Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We're reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.
Summary
The Diamond/Core Driller is responsible for safely and efficiently operating diamond drilling equipment to recover high-quality core samples for mineral exploration and geological evaluation. This role requires precision drilling, strong mechanical skills, and strict adherence to safety, environmental, and quality standards, often in remote or challenging conditions.
Responsibilities
  • Safely operate diamond/core drilling rigs in accordance with company procedures, manufacturer guidelines, and regulatory requirements
  • Conduct pre-start inspections and ongoing checks of drill rigs, rods, core barrels, pumps, and support equipment
  • Accurately set up drill sites, align rigs, and collar holes to specified angles, depths, and locations
  • Monitor drilling parameters including rotation speed, bit pressure, water flow, and penetration rates to optimize core recovery and equipment performance
  • Ensure maximum core recovery, correct handling, and proper placement of core in trays
  • Identify and respond to changing ground conditions and communicate technical or geological issues to supervisors and geologists
  • Perform routine maintenance, lubrication, and minor mechanical repairs to minimize downtime
  • Maintain accurate drilling records, including meterage, core recovery, consumables usage, and daily reports
  • Enforce safe work practices for offsiders and ensure compliance with health, safety, and environmental policies
  • Maintain high housekeeping standards at the drill site
  • Participate in toolbox talks, safety meetings, and ongoing training programs
  • Respond appropriately to equipment failures, emergencies, and changing site conditions

Qualifications
  • Proven experience as a Diamond/Core Driller in mineral exploration or mining environments
  • Strong understanding of diamond drilling techniques, core recovery methods, and basic geology
  • Mechanical aptitude with the ability to troubleshoot and perform routine maintenance
  • Strong commitment to workplace health and safety
  • Ability to work long shifts in remote or FIFO environments
  • Physically fit and capable of working in varying weather conditions
  • Valid driver's license (appropriate class)
Our culture is built on three principles:
Extreme Ownership - We take full responsibility for outcomes, relentlessly driving toward solutions.
Engineer Out Requirements, then Automate - We simplify, optimize, and then automate for scale.
Share Your Legos - We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.
Join us as we build the future of responsible mineral sourcing and supply.

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