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Questions and Answers
What is the purpose of bruting in diamond cutting?
What is the purpose of bruting in diamond cutting?
Which type of diamond cut has a flat bottom and triangular facets that converge to a point at the top?
Which type of diamond cut has a flat bottom and triangular facets that converge to a point at the top?
What was a significant development in diamond cutting during the 16th century?
What was a significant development in diamond cutting during the 16th century?
How did the old mine cut differ from the old European cut?
How did the old mine cut differ from the old European cut?
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What role does a planner play in diamond cutting?
What role does a planner play in diamond cutting?
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Which process involves making a notch in diamond rough for preparation before cleaving?
Which process involves making a notch in diamond rough for preparation before cleaving?
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What does the term 'blocking' refer to in diamond cutting?
What does the term 'blocking' refer to in diamond cutting?
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The process of shaping the pavilion angle by polishing away extra material at different angles is known as what?
The process of shaping the pavilion angle by polishing away extra material at different angles is known as what?
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Which diamond cut is often the basis for modern brilliant cuts?
Which diamond cut is often the basis for modern brilliant cuts?
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What major shift in diamond cutting occurred due to the introduction of continuous rotary motion and the cast-iron polishing wheel?
What major shift in diamond cutting occurred due to the introduction of continuous rotary motion and the cast-iron polishing wheel?
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What term describes the appearance of minor fractures that are perpendicular to a diamond's girdle?
What term describes the appearance of minor fractures that are perpendicular to a diamond's girdle?
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Which process involves dividing a rough diamond into sections using a saw?
Which process involves dividing a rough diamond into sections using a saw?
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Which of the following best describes the old mine cut?
Which of the following best describes the old mine cut?
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What is the primary function of a dop in the diamond cutting process?
What is the primary function of a dop in the diamond cutting process?
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Which tablet-cutting method follows the shape of the octahedral diamond rough?
Which tablet-cutting method follows the shape of the octahedral diamond rough?
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Which diamond cut is characterized by a flat bottom and triangular facets converging to a point at the top?
Which diamond cut is characterized by a flat bottom and triangular facets converging to a point at the top?
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What advancement in diamond cutting allowed for more efficient and profitable practices?
What advancement in diamond cutting allowed for more efficient and profitable practices?
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Which of the following terms refers to the polishing and placement of the star and upper and lower half facets on a diamond?
Which of the following terms refers to the polishing and placement of the star and upper and lower half facets on a diamond?
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What is the primary role of a planner in the diamond cutting process?
What is the primary role of a planner in the diamond cutting process?
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Which term refers to a device used to adjust and maintain a diamond’s angle during polishing?
Which term refers to a device used to adjust and maintain a diamond’s angle during polishing?
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What is the main purpose of the coning process in diamond cutting?
What is the main purpose of the coning process in diamond cutting?
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Which diamond cutting technique is characterized by the placement of 17 or 18 facets?
Which diamond cutting technique is characterized by the placement of 17 or 18 facets?
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What is the defining feature of the old mine cut compared to the old European cut?
What is the defining feature of the old mine cut compared to the old European cut?
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What tool is primarily used to hold a diamond securely during the cutting process?
What tool is primarily used to hold a diamond securely during the cutting process?
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Which term describes the process of creating a notch into diamond rough for preparation to cleave?
Which term describes the process of creating a notch into diamond rough for preparation to cleave?
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What advancement in diamond cutting allowed for genuine faceting rather than superficial polishing?
What advancement in diamond cutting allowed for genuine faceting rather than superficial polishing?
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What characteristic distinguishes the rose cut from other diamond cuts?
What characteristic distinguishes the rose cut from other diamond cuts?
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What is the role of a planner in the diamond cutting process?
What is the role of a planner in the diamond cutting process?
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Which diamond cut was easier to achieve before the invention of the bruting machine?
Which diamond cut was easier to achieve before the invention of the bruting machine?
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Which type of diamond cut embodies the full-cut modern brilliant design?
Which type of diamond cut embodies the full-cut modern brilliant design?
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The process of dividing rough diamond along its cleavage planes is ?
The process of dividing rough diamond along its cleavage planes is ?
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An early brilliant cut with a circular girdle is ?
An early brilliant cut with a circular girdle is ?
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Placing and finishing facets on a rough diamond is ?
Placing and finishing facets on a rough diamond is ?
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A simple diamond cut, with a table, eight crown facets, eight pavilion facets, and sometimes a culet is ?
A simple diamond cut, with a table, eight crown facets, eight pavilion facets, and sometimes a culet is ?
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Laser sawing can split a rough diamond in ......
Laser sawing can split a rough diamond in ......
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Study Notes
DDG ASS #8 Key Terms
- Bearding: Minute fractures perpendicular to the girdle.
- Blocking: Placing initial facets (17-18) on a diamond.
- Brillianteering: Polishing crown and pavilion facets.
- Bruting: Shaping rough diamond into a basic face-up outline.
- Cleaving: Dividing rough diamond along cleavage planes.
- Coning: Gradually polishing off extra material to form pavilion angle.
- Dop: Holder for securing a diamond during processing.
- Kerf: Notch to prepare rough diamond for cleaving.
- Old European Cut: Early brilliant cut with circular girdle.
- Old Mine Cut: Early cushion-shaped cut, high crown, deep pavilion.
- Planner: Person who studies rough diamond, creates cutting plans.
- Polishing: Placing and finishing facets on a rough diamond.
- Rose Cut: Diamond with flat bottom and triangular facets.
- Sawing: Dividing rough diamond into sections.
- Single Cut: Simple cut, with a table and multiple crown/pavilion facets.
- Tang: Device holding a dop, adjusting diamond angle during polishing.
Key Concepts
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Before the 15th century, diamond cutting was limited to superficial polishing.
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16th century techniques used rotary motion and cast-iron wheels for polishing.
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Bruting machines and motorized saws enabled mass production of faceted diamonds.
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Modern methods (rough mapping, laser processing) increase efficiency and profitability.
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Point and table cuts follow octahedral rough diamond shapes.
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Rose cut efficiently uses flattened or cleaved rough.
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Single cut is the basis for the modern brilliant cut.
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Cushion cut resembles natural octahedral crystals.
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Round brilliant is the dominant cut today.
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Cutters adapt brilliant cuts for fancy shapes and maximize profit from oddly shaped rough.
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Recent technological advances make fancy brilliant cuts easier and more affordable.
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Modern planning uses diamond rough mapping and computer-aided planning.
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Laser sawing: Precise method for splitting rough diamond in any direction.
- Has greater weight retention.
- Water-jet-guided laser sawing provides wider range, better focus, higher weight retention and lower risk for strained rough.
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Laser bruting: Helpful for making fancy shapes.
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Coning: Round shape diamonds to reduce damage to stressed stones.
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Quality control is important in modern diamond cutting due to high market standards.
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Description
Test your knowledge of key terms related to diamond cutting and processing with this quiz. From 'Bearding' to 'Single Cut,' explore the terminology that defines the methods and techniques used in the diamond industry. Perfect for students and professionals alike!
