All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source. |
SOUTH AFRICAN QUALIFICATIONS AUTHORITY |
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: |
Balance a brillianteered diamond gemstone |
SAQA US ID | UNIT STANDARD TITLE | |||
376501 | Balance a brillianteered diamond gemstone | |||
ORIGINATOR | ||||
Task Team - Fabrication and Extraction | ||||
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY | ||||
- | ||||
FIELD | SUBFIELD | |||
Field 06 - Manufacturing, Engineering and Technology | Fabrication and Extraction | |||
ABET BAND | UNIT STANDARD TYPE | PRE-2009 NQF LEVEL | NQF LEVEL | CREDITS |
Undefined | Regular | Level 5 | Level TBA: Pre-2009 was L5 | 5 |
REGISTRATION STATUS | REGISTRATION START DATE | REGISTRATION END DATE | SAQA DECISION NUMBER | |
Passed the End Date - Status was "Reregistered" |
2018-07-01 | 2023-06-30 | SAQA 06120/18 | |
LAST DATE FOR ENROLMENT | LAST DATE FOR ACHIEVEMENT | |||
2024-06-30 | 2026-06-30 |
In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise. |
This unit standard does not replace any other unit standard and is not replaced by any other unit standard. |
PURPOSE OF THE UNIT STANDARD |
This unit standard is useful for learners who intend following a career in the diamond processing sector and who are required to balance a brillianteered diamond gemstone.
Learners credited with this unit standard are able to: |
LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING |
It is assumed that learners are already competent in Communication at NQF Level 4. |
UNIT STANDARD RANGE |
The scope and context applies to the conversion of rough diamond gemstones into cut and polished diamond gemstones for sale into local and international markets.
This unit standard applies to person's brillianteering any diamond gemstones under minimal supervision. |
Specific Outcomes and Assessment Criteria: |
SPECIFIC OUTCOME 1 |
Identify the equipment and tools used to balance brillianteered diamond gemstones. |
ASSESSMENT CRITERIA |
ASSESSMENT CRITERION 1 |
The tools and their components used to balance brillianteered diamond gemstones are identified and their use in different applications is explained in terms of key features, applications and methods for use. |
ASSESSMENT CRITERION 2 |
The importance of balancing brillianteered diamond gemstones is explained in relation to the process of brillianteering and the proportions of the finished polished diamond gemstone. |
ASSESSMENT CRITERION 3 |
Practices are explained to maintain good housekeeping, safety in the workplace and care of equipment in line with workplace specific requirements. |
ASSESSMENT CRITERION 4 |
The consequences of deviating from workplace specific practices are described in terms of potential impact on health, safety, equipment, products and productivity. |
SPECIFIC OUTCOME 2 |
Demonstrate knowledge of the structure of diamond gemstones and the implications for balancing brillianteered diamond gemstones. |
ASSESSMENT CRITERIA |
ASSESSMENT CRITERION 1 |
Visible rough points in diamond gemstones are identified in different diamond types from drawings. |
ASSESSMENT CRITERION 2 |
The polishing grains in two, three and four point stones are identified in terms of the crystallography of diamonds. |
ASSESSMENT CRITERION 3 |
Problems that can be encountered when brillianteering sawn and makeable diamond gemstones are described in terms of types of problems, key features, implications for polishing and methods to overcome such problems. |
ASSESSMENT CRITERION RANGE |
The types of problems that can be encountered must include:
|
ASSESSMENT CRITERION 4 |
Advanced faceting hints and techniques for balancing brillianteered diamond gemstones for sawn and makeable stones are explained in terms of different applications and the consequences of using inappropriate brillianteering techniques. |
SPECIFIC OUTCOME 3 |
Locate brillianteered diamond gemstones into and set tangs for balancing. |
ASSESSMENT CRITERIA |
ASSESSMENT CRITERION 1 |
Appropriate personal protective clothing and equipment is selected and applied according to required standards of occupational health and safety. |
ASSESSMENT CRITERION 2 |
Stones received are set in an appropriate pot and located in polishing tangs for balancing according to workplace specific operating procedures. |
ASSESSMENT CRITERION 3 |
Appropriate tang selection is made for balancing brillianteered diamond gemstones according to workplace specific operating procedures. |
ASSESSMENT CRITERION 4 |
A scaiffe is ensured to have been correctly prepared for balancing brillianteered diamond gemstones before putting the stone on the scaiffe. |
ASSESSMENT CRITERION 5 |
Occupational health and safety hazards are monitored during setting and clamping and remedial action is taken where necessary. |
SPECIFIC OUTCOME 4 |
Balance brillianteered diamond gemstones. |
ASSESSMENT CRITERIA |
ASSESSMENT CRITERION 1 |
Brillianteered stones are balanced using the appropriate methodology to address the given problems in line with the requirements as indicated by the Marker and within defined quality and output standards. |
ASSESSMENT CRITERION RANGE |
Indications by the Marker and defined quality and output standards will be found in the employer's:
|
ASSESSMENT CRITERION 2 |
The scaiffe is frequently checked for any defects during the process of brillianteering. Remedial action is taken in line with workplace specific procedures. |
ASSESSMENT CRITERION 3 |
Occupational health and safety hazards are monitored during brillianteering and remedial action is taken where necessary. |
ASSESSMENT CRITERION 4 |
Weights and proportions of diamond gemstones are within the laid down tolerance levels after balancing. |
ASSESSMENT CRITERION RANGE |
Laid down tolerance levels will be found in the employer's:
|
SPECIFIC OUTCOME 5 |
Conduct post-balancing cleaning, checking and security activities. |
ASSESSMENT CRITERIA |
ASSESSMENT CRITERION 1 |
Diamond gemstones are removed from pots after balancing, cleaned and inspected for quality of finish in relation to workplace specifications. Remedial action, where necessary, is taken in line with workplace specific procedures |
ASSESSMENT CRITERION 2 |
Good housekeeping is exercised after balancing brillianteered diamond gemstones. |
ASSESSMENT CRITERION RANGE |
Good housekeeping must include:
|
ASSESSMENT CRITERION 3 |
Diamond gemstones are accounted for after balancing in terms of the workplace security system. |
UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS |
UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE |
The following embedded knowledge is addressed in an integrated way in the unit standard:
Knowledge relating to the properties of a diamond gemstone: Occupational Health, Safety and Environmental issues: Legislative and structural environment: Communication: |
UNIT STANDARD DEVELOPMENTAL OUTCOME |
N/A |
UNIT STANDARD LINKAGES |
N/A |
Critical Cross-field Outcomes (CCFO): |
UNIT STANDARD CCFO IDENTIFYING |
Identify and solve problems and make decisions using critical and creative thinking.
Note: The ability to identify proportion issues in order to balance brillianteered diamond gemstones and be able to take the appropriate action in processing the gemstone, and to interpret the instructions from the Marker and make decision on how to brillianteer illustrates the capability to solve problems. |
UNIT STANDARD CCFO WORKING |
Work effectively with others as members of a team, group, organisation or community.
Note: The ability to communicate effectively and to maintain optimum production illustrates the capability to work effectively with others. |
UNIT STANDARD CCFO ORGANISING |
Organise and manage themselves and their activities responsibly and effectively.
Note: The ability to maintain optimum production whilst adhering to safety and security procedures, illustrates the capability to organise and manage themselves and their activities responsibly and effectively. |
UNIT STANDARD CCFO COLLECTING |
Collect, analyse, organise and critically evaluate information.
Note: The ability to interpret instructions from the Marker/in the parcel in relation to the stone and implement corrective actions indicates the ability to analyse, organise and critically evaluate information. |
UNIT STANDARD CCFO SCIENCE |
Use science and technology effectively and critically showing responsibility towards the environment and health of others.
Note: The ability to apply tools and equipment appropriately to effect balancing of diamonds and to organise equipment and machinery effectively illustrates the capability to use science and technology. |
UNIT STANDARD ASSESSOR CRITERIA |
N/A |
REREGISTRATION HISTORY |
As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. |
UNIT STANDARD NOTES |
Terminology:
Specified Requirements: Specified requirements include legal and site-specific requirements and are contained in one or more of the following documents: Legal: Site-specific: |
QUALIFICATIONS UTILISING THIS UNIT STANDARD: |
ID | QUALIFICATION TITLE | PRE-2009 NQF LEVEL | NQF LEVEL | STATUS | END DATE | PRIMARY OR DELEGATED QA FUNCTIONARY | |
Elective | 78843 | National Certificate: Diamond Processing | Level 5 | Level TBA: Pre-2009 was L5 | Passed the End Date - Status was "Reregistered" |
2023-06-30 | MQA |
PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: |
This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here. |
NONE |
All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source. |