Ass #14 Key Terms and Concepts

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Questions and Answers

What part of the diamond is defined by the face-up outline of a gem?

Length-to-Width Ratio

Belly

Shape (correct)

Cutting Style

Which facet arrangement is characteristic of a brilliant cut?

Step cut facets

Star and upper half facets

Triangular and kite-shaped facets (correct)

Long, narrow facets

Which cutting style combines both step-cut and brilliant-cut facets?

Brilliant Cut

Mixed Cut (correct)

Fancy Cut

French Tips

What is the effect of excess pavilion bulge in a diamond?

Increases light leakage Signup and view all the answers

What grading technique is used for assessing the color of fancy cuts?

Face-down and diagonally Signup and view all the answers

Which of the following best describes the purpose of a grading report for fancy cuts?

It provides identifying characteristics Signup and view all the answers

What factor is often the major selling point of a fancy-cut diamond?

Shape Signup and view all the answers

Which of the following describes a Bow-Tie in diamond cuts?

A dark area across the center Signup and view all the answers

What makes fancy cuts appealing to buyers?

Their unique and emotional factors Signup and view all the answers

Because fancy cuts are different from one another, each one

has its own set of variables Signup and view all the answers

A cutting style with long, narrow, four-sided facets in rows parallel to the girdle on both the crown and pavilion is ....

Step Cut Signup and view all the answers

The definition of a Cutting Style is ........?

The arrangement of a gem’s facets. Signup and view all the answers

Define the term Fancy Cuts.......

Any gemstone cut other than a standard round brilliant. Signup and view all the answers

A faceting style that replaces the large bezel facets at the points of marquises, pears, and hearts with star and upper half facets is .........

French Tip Signup and view all the answers

A numerical expression of the relationship between the length and width of a fancy cut, where the value for width is one is........

Length-to-Width Ratio Signup and view all the answers

The slightly curving center of the long side of a pear, marquise, heart, or oval is ......

Belly Signup and view all the answers

A diamond’s overall attractiveness in relation to others of the same shape and cutting style is called ....?

Shape Appeal Signup and view all the answers

Outward curve of the pavilion facets of a step-cut diamond is ......

Pavilion Bulge Signup and view all the answers

The darkness and size of what determines its effect on a diamond’s appearance?

The Bow Tie Signup and view all the answers

The factors that make a fancy cut appealing are often ...........

as much emotional as they are practical Signup and view all the answers

Study Notes

DDG Ass #14 Key Terms and Concepts

Belly: The curved center of a pear, marquise, heart, or oval-shaped gem.
Bow-Tie: A dark area in the center of an elongated brilliant cut.
Brilliant Cut: A cutting style where triangular and kite-shaped facets radiate from the gem's center.
Cutting Style: The arrangement of a gem's facets.
Fancy Cuts: Any gemstone cut that is not a standard round brilliant.
French Tips: A faceting style replacing large bezel facets with star and upper half facets on marquise, pear, and heart-shaped gems.
Length-to-Width Ratio: Numerical expression relating a fancy cut's length to its width (width = 1).
Mixed Cut: A cutting style combining step-cut and brilliant-cut facets.
Pavilion Bulge: The outward curve of pavilion facets in a step-cut diamond.
Shape: The face-up outline of a gem.
Shape Appeal: A diamond's overall attractiveness compared to others of the same shape and cutting style.
Step Cut: A cutting style with long, narrow, four-sided facets arranged in rows parallel to the girdle on both crown and pavilion.

Key Concepts

Shape: A key selling point for fancy-cut diamonds.
Fancy Cut Variability: Each fancy cut has its own set of variables.
Emotional Appeal: Fancy cuts appeal as much emotionally as practically.
Fancy Cut Grading: Face-down and diagonal views are part of color grading fancy cuts, along with face-up color.
Bow-Tie Impact: Bow-tie darkness/size affects a diamond's appearance.
Pavilion Bulge: Excess pavilion bulge leads to light leakage and added weight.
Grading Report: A crucial guide to identifying characteristics of a fancy cut.
Unique Appeal: Fancy cuts appeal to buyers seeking unique stones.

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Description

Test your knowledge of key terms and concepts related to gemstone cutting and styles. This quiz covers various cutting styles, shapes, and ratios, enhancing your understanding of the industry vocabulary. Perfect for gemologists and enthusiasts alike!