Final Quality Inspector and Grader –Gemstone Processing

SECTOR: GEMS & JEWELLERY
SUB-SECTOR: Gemstone Processing
OCCUPATION: Gemstone Grading and Dispatching
REFERENCE ID: G&J/Q7001
ALIGNED TO: NCO-2015/7313.2601
Brief Job Description: The individual uses visual grading tools such as
magnifying glass or loupe to separate the defective faceted and/or polished
gemstones from the good ones and assigns grades based on the 4Cs: colour, cut,
clarity and carats. The Final Quality Inspector and Grader is responsible for final
quality assessment of every gemstone faceted and/or polished and then grading
it.

Personal Attributes: The job requires the individual to have: attention to
details; good eyesight; and ability to communicate effectively.

Keywords /Terms Description
Sector Sector is a conglomeration of different business operations having similar
business and interests. It may also be defined as a distinct subset of the
economy whose components share similar characteristics and interests.
Sub-sector Sub-sector is derived from a further breakdown based on the characteristics
and interests of its components.
Occupation Occupation is a set of job roles, which perform similar/ related set of functions
in an industry.
Job role Job role defines a unique set of functions that together form a unique
employment opportunity in an organization.
Occupational Standards
(OS)
OS specify the standards of performance an individual must achieve when
carrying out a function in the workplace, together with the knowledge and
understanding they need to meet that standard consistently. Occupational
Standards are applicable both in the Indian and global contexts.
Performance Criteria Performance criteria are statements that together specify the standard of
performance required when carrying out a task.
National Occupational
Standards (OS)
NOS are occupational standards which apply uniquely in the Indian context.
Qualifications Pack (QP) QP comprises the set of OS, together with the educational, training and other
criteria required to perform a job role. A QP is assigned a unique qualifications
pack code.
Unit Code Unit code is a unique identifier for an Occupational Standard, which is denoted
by an ‘N’
Unit Title Unit title gives a clear overall statement about what the incumbent should be
able to do.
Description Description gives a short summary of the unit content. This would be helpful to
anyone searching on a database to verify that this is the appropriate OS they
are looking for.
Scope Scope is a set of statements specifying the range of variables that an individual
may have to deal with in carrying out the function which have a critical impact
on quality of performance required.
Knowledge and
Understanding
Knowledge and understanding are statements which together specify the
technical, generic, professional and organizational specific knowledge that an
individual needs in order to perform to the required standard.
Organizational Context Organizational context includes the way the organization is structured and how
it operates, including the extent of operative knowledge managers have of their
relevant areas of responsibility.
Technical Knowledge Technical knowledge is the specific knowledge needed to accomplish specific
designated responsibilities.
Core Skills/ Generic
Skills
Core skills or generic skills are a group of skills that are the key to learning and
working in today’s world. These skills are typically needed in any work
environment. In the context of the OS, these include communication related
skills that are applicable to most job roles.

Keywords /Terms Description
NOS National Occupational Standard(s)
NSQF National Skills Qualifications Framework
QP Qualifications Pack

Unit Code G&J/N7002
Unit Title
(Task) Check final quality and grade the gemstones
Description This OS unit is about checking the final quality of gemstones faceted and/or polished
and grading them according to the 4Cs: colour, cut, clarity, carat
Scope This unit/task covers the following:
Conducting quality check and give feedback
Achieving productivity and quality
Performance Criteria(PC) w.r.t. the Scope
Element Performance Criteria
Conducting quality
check and give
feedback
To be competent, the user/individual on the job must be able to:
PC1. match the stone type, weight and number as mentioned on the bag
PC2. assess whether quality check is required for each stone or a sample from the
lot
PC3. check facets for: symmetry mismatch, number of facets required in the plan,
any windows left, and rough surfaces
PC4. check girdle polishing for: even girdle line; smooth finish; distinct lines; and
no broken edges
PC5. check polish for: type of polish required as per plan, e.g., matt or smooth;
finish; scratches or broken edges; colour and brilliance to be achieved
PC6. assess whether defects can be removed without stone loss as prescribed
PC7. describe the defect to the respective department head or worker
PC8. educate about a recurring defect to the respective department’s supervisor
PC9. visual check of the gemstones are properly followed by the individual
PC10. select and use appropriate instruments for inspecting/checking gemstone
PC11. use liquid solution for cleaning finger prints
PC12. measure hardness of the gemstone in Moh’s scale
PC13. use an identification system for gemstones to be graded such as bar coding,
design number or job sheet details
PC14. segregate the gemstones by colour, cut, clarity and carat
PC15. check for any treatment given to the gemstone and its effect
PC16. assess the quality as per company’s standards and design parameters
PC17. maintain the accepted standards of quality defined by the organisation
PC18. understand the globally acceptable grading system for gemstones
PC19. ensure accurate grading in accord with the 4Cs of the sample checked
PC20. maintain consistency in grades for the assignment that are acceptable to the
company
PC21. ensure to alert about any recurrent quality problems

Achieving
productivity and
quality
PC22. match the stone type, weight and number of stones received as per job sheet
PC23. count and bag all quality checked stones of the lot and document on job
sheet
PC24. return bagged, QC approved and damaged stones to Operations Manager
PC25. ensure timely delivery of the number and carats of stones per day against
target given and as per specifications
Knowledge and Understanding (K)
A. Organizational
Context
(knowledge of the
company/organisa
tion and its
process)
The user/individual on the job needs to know and understand:
KA1. company’s policies on: acceptable limits of stone loss, incentives, delivery
standards, safety and hazards, integrity and personnel management
KA2. non-disclosure of “confidential information” provided by the company either
orally or in writing marked as confidential
KA3. liability arising out of loss, theft, or inadvertent disclosure of confidential
information
KA4. work flow involved in gemstone processing of company
KA5. importance of the individual’s role in the workflow
KA6. reporting structure
KA7. the issuing and returning procedures followed by the company for rough
gemstones
KA8. management of worker, quality and productivity
KA9. performance appraisal procedure and standards
B. Technical
Knowledge
The user/individual on the job needs to know and understand:
KB1. different types of stones which includes precious, semi-precious, synthetic
and the species they belong to for e.g., ruby and sapphire belong to
corundum species
KB2. mines and sources of gemstones, e.g., madagascar for blue sapphire or
burma for red rubies
KB3. beauty, rarity and durability of the gemstone
KB4. appropriate lighting to be used for assessing colour of gemstone, e.g.,
ordinary household light for red ruby or fluorescent light for blue sapphire or
sunlight for emerald
KB5. usual sizes that some natural gemstones are found in
KB6. similar looking gemstones, e.g., ruby, red spinel, red opal and red tourmaline
KB7. glass imitations of gemstones, e.g., vivid green or bluish green for emeralds
KB8. most prized colours and hues of gemstones
KB9. types of inclusions and fissures, their location
KB10. authenticity of the gemstones based on inclusions
KB11. different types of treatments for inclusions and fissures such as heat-andpressure, oil impregnation, fracture filling, laser drilling, resin enhancement
KB12. durability of enhancement treatment given
KB13. refractive index of gemstones
KB14. usage of various instruments/equipments for inspecting/checking diamonds
i.e. vernier calipers and magnifying glass or loupe for checking

KB15. grading standards of gemstones such as GIA or other
KB16. calibration of gemstones in terms of weight, measurements, shape, cut,
transparency, colour, treatment given, hue, tone and saturation
KB17. market value of stone to understand the rationale for different acceptable
levels of stone loss
KB18. softness/ hardness of gemstones
KB19. different shapes and facets possible for different gemstones and the number
of steps in processing
KB20. processes of doping, shaping, faceting and polishing of gemstones
KB21. accounting of stones and documentation
KB22. market trends and customer requirements
KB23. how to identify treated gemstones

A. Core Skills/
Generic Skills
Writing Skills
The user/ individual on the job needs to know and understand how to:
SA1. document work flow, quality standards and outcomes as per company policy
SA2. prepare grading records and certificates
SA3. report quality problems to authorized person
Reading skills
SA4. read about different types of gemstones and their properties
SA5. read height, weight, dimensions of the stones as given on job sheets
SA6. read company rules and compliance documents required to complete the
work
Oral communication (listening and speaking skills)
SA7. receive instructions and from operations manager about deliverables and
work flow
SA8. discuss with co-workers in other relevant department about any practical
difficulties faced by them
SA9. give instructions on final quality check and grading
SA10. give appropriate feedback to different levels of workers
SA11. communicate recurrent quality problems and educate workers about quality
SA12. train on correct steps to follow to achieve required grading
B. Professional Skills Decision making
The user/individual on the job needs to know and understand how to:
SB1. make decisions pertaining to the concerned area of work
Plan and organize
SB2. plan and organize the quality checking and grading process to achieve the set
target
Customer centricity

SB3. check quality of shaped stone as per plan and allocate appropriate type of
rework
Problem solving
SB4. check quality of shaped stone as per plan and allocate appropriate type of
rework
SB5. resolve issues related to recurrent problems
SB6. improve work processes for greater productivity
Analytical thinking
SB7. assess whether defects can be removed without stone loss as prescribed
SB8. improve grading of output
Critical thinking
SB9. spot process disruption and reasons for delay

Unit Code G&J/N9901
Unit Title
(Task) Coordinate with others
Description This OS unit is about communicating with colleagues, seniors and outside parties in
order to achieve the deliverables on schedule
Scope This unit/task covers the following:
Interacting with supervisor
Interacting with colleagues within and outside the department
Interacting with outside parties
Performance Criteria(PC) w.r.t. the Scope
Element Performance Criteria
Interacting with
supervisor
To be competent, the user/individual on the job must be able to:
PC1. coordinate for receiving work instructions and raw materials from
reporting supervisor
PC2. communicate to the reporting supervisor about process flow
improvements, product defects received from previous process, repairs
and maintenance of tools and machinery as required
PC3. communicate to reporting supervisor about operation details and hazards
PC4. interact with supervisor regarding compliance of company policy and rules
Interacting with
colleagues within and
outside the department
PC5. coordinate with colleagues to share work, as per the workload in order to
achieve team goals
PC6. communicate and discuss work flow related difficulties in order to find
solutions with mutual agreement
PC7. coordinate and receive feedback from quality control department
PC8. resolve conflicts by communicating with colleagues and other
departments
PC9. coordinate with colleagues regarding multitasking in other departments
with requirements
Interacting with outside
parties
PC10. adhere to nondisclosure policy of the company in all outside coordination
Knowledge and Understanding (K)
A. Organizational
Context
(knowledge of the
company/organisation
and its process)
The user/individual on the job needs to know and understand:
KA1. company’s policies on: preferred language of communication, reporting
and escalation policy, quality delivery standards and personnel
management
KA2. company’s policies on non-disclosure of “confidential information”
provided by the company either orally or in writing marked as confidential
KA3. liability arising out of loss, theft or inadvertent disclosure of confidential
information
KA4. reporting structure

B. Technical Knowledge The user/individual on the job needs to know and understand:
KB1. various categories of people that one is required to communicate and
coordinate within the organization
KB2. importance of effective communication in the workplace like expressing
and addressing grievances appropriately and effectively
KB3. importance of teamwork in organization and individual success
KB4. various components of effective communication
KB5. barriers to effective communication
KB6. common reasons for interpersonal conflict
KB7. what constitutes disciplined behavior for a working professional
Skills (S) [Optional]
A. Core Skills/ Generic
Skills
Writing Skills
The user/ individual on the job needs to know and understand how to:
SA1. write instructions, remarks, job sheets, basic information, technical details
etc., in preferred local language of communication and English
Reading skills
SA2. read preferred language of communication as prescribed by the company
SA3. read job sheets and interpret technical details mentioned in the job sheet
Oral communication (listening and speaking skills)
SA4. discuss task lists, schedules and work-loads with co-workers
SA5. be a good listener
SA6. be effective in communicating the issues faced to the supervisor
SA7. avoid using jargon, slang or acronyms when communicating
B. Professional Skills Decision making
The user/ individual on the job needs to know and understand how to:
SB1. spot and communicate potential areas of disruptions to work process and
report the same
SB2. report to supervisor or deal with a colleague individually, depending on
the type of concern
Plan and organize
SB3. to plan work for maximum productivity
SB4. to plan and organize the schedule for maintenance of tools and machines
Customer centricity
SB5. convey accurate information to all internal as well as external customers
Problem solving

SB6. how to handle critical situations caused due to communication issues at
workplace and solve problems without blaming others
Analytical thinking
SB7. analyse the work processes by interacting with others and adopting best
practices
SB8. use prior experience to observe and reflect for development of ideas
Critical thinking
SB9. think through the problem, evaluate the possible solution(s) and suggest
an optimum /best possible solution(s)
SB10. deal with clients lacking the technical background to solve the problem on
their own
SB11. spot process disruptions, delays and report and communicate with
solutions
SB12. identify immediate or temporary solutions to resolve delays
SB13. apply, analyze, and evaluate the information gathered from observation,
experience, reasoning or communication, as a guide to thought and action

Unit Code G&J/N9902
Unit Title
(Task) Maintain health and safety at workplace
Description This OS unit is about being aware of, communicating and taking steps towards
minimizing potential hazards and dangers of accidents on the job and maintaining
health and safety at workplace
Scope This unit/task covers the following:
Health and safety in work area
Fire safety
Emergencies, rescue and first aid procedures
Performance Criteria(PC) w.r.t. the Scope
Element Performance Criteria
Health and safety in
work area
To be competent, the user/individual on the job must be able to:
PC1. identify and use appropriate protective clothing/equipment for specific
tasks and work
PC2. identify hazardous job activities in his/her job and communicate the
possible causes of risks or accidents in the workplace
PC3. carry out safe working practices while dealing with hazards to ensure
safety of self and others
PC4. identify and avoid doing any tasks or activities in a wrong posture
PC5. practice appropriate working postures to minimise occupational health
related issues
Fire safety PC6. use the appropriate fire extinguishers on different types of fire
PC7. demonstrate rescue techniques applied during fire hazard
PC8. demonstrate good housekeeping in order to prevent fire hazards
PC9. demonstrate the correct use of any fire extinguisher
Emergencies, rescue and
first aid procedures
PC10. provide first aid procedure to victims wherever required eg.in case of
bleeding, burns, choking, electric shock etc.,
PC11. respond promptly and appropriately to an accident or medical emergency
PC12. participate in emergency procedures such as raising alarm, safe
evacuation etc.,
Knowledge and Understanding (K)
A. Organizational
Context
(knowledge of the
company/organisation
and its process)
The user/individual on the job needs to know and understand:
KA1. company’s policies on: safety, hazards and personnel management
KA2. names and location of documents that refer to health and safety in work
place
KA3. reporting structure

B. Technical Knowledge The user/individual on the job needs to know and understand:
KB1. meaning of “hazards” and risks
KB2. health and safety hazards commonly present in the work place and related
precautions
KB3. various dangers associated with use of electrical equipment
KB4. preventative and remedial actions to be taken in case of exposure to toxic
material
KB5. methods of accident prevention
KB6. how different chemicals react and the related hazards
KB7. how to use machines and tools without causing any accident
KB8. importance of using protective clothing/ equipment while working
KB9. precautionary activities to prevent the fire accident
KB10. various causes of fire
KB11. techniques of using different fire extinguishers
KB12. different materials used for extinguishing fire
KB13. rescue techniques applied during a fire hazard
KB14. various types of safety signs and what they mean
KB15. appropriate basic first aid treatment relevant to condition e.g. bleeding,
minor burns, eye injuries etc.
KB16. casualty lifting in case of an accident caused to a person
Skills (S) [Optional]
A. Core Skills/ Generic
Skills
Writing Skills
The individual on the job needs to know and understand how to:
N.A.
Reading Skills
SA1. read and comprehend basic content to read labels, charts, signage
SA2. read and comprehend basic English to read manuals of operations
Oral communication (listening and speaking skills)
SA3. communicate effectively the risk of not following safety measures
B. Professional Skills Decision making
the individual on the job needs to know and understand how to:
SB1. respond to emergencies/accidents, by taking an apt and timely decision
Plan and organize
SB2. organize work schedule, work area, tools, equipment and material to
minimize health and safety risk
Customer Centricity
N. A.
Problem Solving

SB3. ensure apt action in case of any emergencies, accidents or fire at the work
location
Analytical thinking
SB4. analyse untoward incidents from the past and implement correct use of
machines, tools or hazardous chemicals
Critical thinking
SB5. critically analyse the processes carried out by self and colleagues in the
department to spot potential hazards and safety issues

Criteria For Assessment Of Trainees

Job Role Final Quality Inspector and Grader – Gemstone Processing
Qualification Pack G&J/Q7001
Sector Skill Council Gem & Jewellery
Guidelines for Assessment

1. Criteria for assessment for each Qualification Pack will be created by the Sector Skill Council. Each Performance
   Criteria (PC) will be assigned marks proportional to its importance in NOS. SSC will also lay down proportion of
   marks for Theory and Skills Practical for each PC.
2. The assessment for the theory part will be based on knowledge bank of questions created by the SSC.
3. Assessment will be conducted for all compulsory NOS, and where applicable, on the selected elective/option
   NOS/set of NOS.
4. Individual assessment agencies will create practical tests for skill evaluation for candidates at every
   examination/training centre. (As per assessment criteria below)
5. To pass the Qualification Pack, every candidate should score a minimum 70% of aggregate marks to successfully
   clear the assessment.
6. In case of successfully passing only certain number of NOSs, the candidate is eligible to take subsequent
   assessment to pass the Qualification Pack.
7. In case of unsuccessful completion, the trainee may seek reassessment on the Qualification Pack.