Gem and Diamond Workers

Description

Fabricate, finish, or evaluate the quality of gems and diamonds used in jewelry or industrial tools.

Tasks

  • Examine gems during processing to ensure accuracy of angles and positions of cuts or bores, using magnifying glasses, loupes, or shadowgraphs.
  • Assign polish, symmetry, and clarity grades to stones, according to established grading systems.
  • Estimate wholesale and retail value of gems, following pricing guides, market fluctuations, and other relevant economic factors.
  • Examine gem surfaces and internal structures, using polariscopes, refractometers, microscopes, and other optical instruments, to differentiate between stones, to identify rare specimens, or to detect flaws, defects, or peculiarities affecting gem values.
  • Identify and document stones' clarity characteristics, using plot diagrams.
  • Advise customers and others on the best use of gems to create attractive jewelry items.
  • Examine diamonds or gems to ascertain the shape, cut, and width of cut stones, or to select the cuts that will result in the biggest, best quality stones.
  • Immerse stones in prescribed chemical solutions to determine specific gravities and key properties of gemstones or substitutes.
  • Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters in order to cut, shape, slit, grind, or polish them.
  • Sort rough diamonds into categories based on shape, size, color, and quality.
  • Secure gems or diamonds in holders, chucks, dops, lapidary sticks, or blocks for cutting, polishing, grinding, drilling, or shaping.
  • Locate and mark drilling or cutting positions on stones or dies, using diamond chips and power hand tools.
  • Place stones in clamps on polishing machines, and polish facets of stones, using felt-covered or canvas-covered polishing wheels and polishing compounds such as tripoli and rouge.
  • Lap girdles on rough diamonds, using diamond girdling lathes.
  • Measure sizes of stones' bore holes and cuts to ensure adherence to specifications, using precision measuring instruments.
  • Select shaping wheels for tasks, and mix and apply abrasives, bort, or polishing compounds.
  • Split gems along pre-marked lines in order to remove imperfections, using blades and jewelers' hammers.
  • Regulate the speed of revolutions and reciprocating actions of drilling mechanisms.
  • Replace, true, and sharpen blades, drills, and plates.
  • Secure stones in metal mountings, using solder.
  • Dismantle lapping, boring, cutting, polishing, and shaping equipment and machinery in order to clean and lubricate it.
  • Regrind drill points, and advance drill cutting points according to specifications for channel depths and shapes.

Knowledge

Production and Processing
Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.
Customer and Personal Service
Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.
English Language
Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.
Mathematics
Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
Sales and Marketing
Knowledge of principles and methods for showing, promoting, and selling products or services. This includes marketing strategy and tactics, product demonstration, sales techniques, and sales control systems.
Administration and Management
Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources.

Skills

Quality Control Analysis
Conducting tests and inspections of products, services, or processes to evaluate quality or performance.
Judgment and Decision Making
Considering the relative costs and benefits of potential actions to choose the most appropriate one.
Active Listening
Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times.
Critical Thinking
Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
Speaking
Talking to others to convey information effectively.
Monitoring
Monitoring/Assessing performance of yourself, other individuals, or organizations to make improvements or take corrective action.

Abilities

Near Vision
The ability to see details at close range (within a few feet of the observer).
Arm-Hand Steadiness
The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position.
Finger Dexterity
The ability to make precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, or assemble very small objects.
Visual Color Discrimination
The ability to match or detect differences between colors, including shades of color and brightness.
Flexibility of Closure
The ability to identify or detect a known pattern (a figure, object, word, or sound) that is hidden in other distracting material.
Oral Comprehension
The ability to listen to and understand information and ideas presented through spoken words and sentences.
Oral Expression
The ability to communicate information and ideas in speaking so others will understand.
Category Flexibility
The ability to generate or use different sets of rules for combining or grouping things in different ways.

Work Activities

Judging the Qualities of Things, Services, or People
Assessing the value, importance, or quality of things or people.
Handling and Moving Objects
Using hands and arms in handling, installing, positioning, and moving materials, and manipulating things.
Thinking Creatively
Developing, designing, or creating new applications, ideas, relationships, systems, or products, including artistic contributions.
Controlling Machines and Processes
Using either control mechanisms or direct physical activity to operate machines or processes (not including computers or vehicles).
Estimating the Quantifiable Characteristics of Products, Events, or Information
Estimating sizes, distances, and quantities; or determining time, costs, resources, or materials needed to perform a work activity.
Organizing, Planning, and Prioritizing Work
Developing specific goals and plans to prioritize, organize, and accomplish your work.
Establishing and Maintaining Interpersonal Relationships
Developing constructive and cooperative working relationships with others, and maintaining them over time.
Monitor Processes, Materials, or Surroundings
Monitoring and reviewing information from materials, events, or the environment, to detect or assess problems.

Work Context

Indoors, Environmentally Controlled
How often does this job require working indoors in environmentally controlled conditions?
Telephone
How often do you have telephone conversations in this job?
Importance of Being Exact or Accurate
How important is being very exact or highly accurate in performing this job?
Contact With Others
How much does this job require the worker to be in contact with others (face-to-face, by telephone, or otherwise) in order to perform it?
Spend Time Sitting
How much does this job require sitting?
Spend Time Using Your Hands to Handle, Control, or Feel Objects, Tools, or Controls
How much does this job require using your hands to handle, control, or feel objects, tools or controls?
Face-to-Face Discussions
How often do you have to have face-to-face discussions with individuals or teams in this job?
Deal With External Customers
How important is it to work with external customers or the public in this job?
Letters and Memos
How often does the job require written letters and memos?
Importance of Repeating Same Tasks
How important is repeating the same physical activities (e.g., key entry) or mental activities (e.g., checking entries in a ledger) over and over, without stopping, to performing this job?

Interests

Realistic
Realistic occupations frequently involve work activities that include practical, hands-on problems and solutions. They often deal with plants, animals, and real-world materials like wood, tools, and machinery. Many of the occupations require working outside, and do not involve a lot of paperwork or working closely with others.
Investigative
Investigative occupations frequently involve working with ideas, and require an extensive amount of thinking. These occupations can involve searching for facts and figuring out problems mentally.
Conventional
Conventional occupations frequently involve following set procedures and routines. These occupations can include working with data and details more than with ideas. Usually there is a clear line of authority to follow.
Enterprising
Enterprising occupations frequently involve starting up and carrying out projects. These occupations can involve leading people and making many decisions. Sometimes they require risk taking and often deal with business.
Artistic
Artistic occupations frequently involve working with forms, designs and patterns. They often require self-expression and the work can be done without following a clear set of rules.
Social
Social occupations frequently involve working with, communicating with, and teaching people. These occupations often involve helping or providing service to others.

Work Style

Integrity
Job requires being honest and ethical.
Attention to Detail
Job requires being careful about detail and thorough in completing work tasks.
Dependability
Job requires being reliable, responsible, and dependable, and fulfilling obligations.
Persistence
Job requires persistence in the face of obstacles.
Independence
Job requires developing one's own ways of doing things, guiding oneself with little or no supervision, and depending on oneself to get things done.
Cooperation
Job requires being pleasant with others on the job and displaying a good-natured, cooperative attitude.
Achievement/Effort
Job requires establishing and maintaining personally challenging achievement goals and exerting effort toward mastering tasks.
Stress Tolerance
Job requires accepting criticism and dealing calmly and effectively with high stress situations.
Initiative
Job requires a willingness to take on responsibilities and challenges.
Analytical Thinking
Job requires analyzing information and using logic to address work-related issues and problems.

Work Values

Support
Occupations that satisfy this work value offer supportive management that stands behind employees. Corresponding needs are Company Policies, Supervision: Human Relations and Supervision: Technical.
Independence
Occupations that satisfy this work value allow employees to work on their own and make decisions. Corresponding needs are Creativity, Responsibility and Autonomy.
Working Conditions
Occupations that satisfy this work value offer job security and good working conditions. Corresponding needs are Activity, Compensation, Independence, Security, Variety and Working Conditions.
Recognition
Occupations that satisfy this work value offer advancement, potential for leadership, and are often considered prestigious. Corresponding needs are Advancement, Authority, Recognition and Social Status.
Relationships
Occupations that satisfy this work value allow employees to provide service to others and work with co-workers in a friendly non-competitive environment. Corresponding needs are Co-workers, Moral Values and Social Service.
Achievement
Occupations that satisfy this work value are results oriented and allow employees to use their strongest abilities, giving them a feeling of accomplishment. Corresponding needs are Ability Utilization and Achievement.

Lay Titles

Bench Jeweler
Brilliandeer Lopper
Diamond Assorter
Diamond Cleaner
Diamond Cleaver
Diamond Cutter
Diamond Die Driller
Diamond Die Polisher
Diamond Driller
Diamond Grader
Diamond Mounter
Diamond Picker
Diamond Polisher
Diamond Sawer
Diamond Selector
Diamond Setter
Diamond Setter Apprentice
Diamond Sizer and Grader
Diamond Sorter
Facetor
Gem Carver
Gem Cutter
Gem Expert
Gem Stone Cutter
Gemologist
Girdler
Jewel Bearing Maker
Jewel Blocker and Sawyer
Jewel Sawyer
Jewel Setter
Jeweler
Jewelry Cutter
Jewelry Designer
Lapidarist
Lapidary
Lapidary Apprentice
Lathe Operator
Oliving Machine Operator
Pearl Cutter
Pearl Peller
Pearl Restorer
Phonograph Needle Tip Maker
Quality Control Specialist
Sapphire Stylus Grinder
Spotter
Stone Setter Apprentice

National Wages and Employment Info

Median Wages (2008):
$16.99 hourly, $35,350 annual.
Employment (2008):
22,060 employees