QUESTIONS AND ANSWERS
Proportions - ANSWER-The angles and relative measurements of a polished gem and
the relationships between them describes its
Finish - ANSWER-The quality of the polish and precision of the cut of a fashioned
gemstone is its
Dispersion - ANSWER-The separation of white light into its spectral colors is
Scintillation - ANSWER-The sparkle that occurs in a diamond when the gem, its light
source, or its observer moves is known as
Polish - ANSWER-A diamond's finish consists of symmetry and
Off-center tables and misshapen facets - ANSWER-Symmetry variations include
Shallow pavilions - ANSWER-An unattractive gray ring under the table might be present
in diamonds with
3:1 - ANSWER-If a marquise cut measures 9 mm x 3 mm, its length-to-width ratio is
Wings - ANSWER-On marquises, pears, and hearts, the sides near the points are
called
Bezel facets - ANSWER-The crown angle is formed by the girdle plane and the
Average girdle diameter - ANSWER-Pavilion depth percentage is expressed as a
percentage of the
Prevent chipping - ANSWER-The primary purpose of the culet is to
Pavilion main facets - ANSWER-The pavilion angle is the angle formed by the girdle
plane and the
Bow-ties - ANSWER-On fancy shapes such as the oval or pear, variations in the
pavilion angle might cause
Symmetry - ANSWER-The balance of a finished gems cut is known as its