Education

Experience is Critical (15.01)

The process of buying rough diamond, (commonly called “rough”), takes all of the expertise for buying polished goods, and then additional expertise required for buying it in the original raw state.

Cutting Styles (12.07)

The last resort of a cutter in getting maximum weight retention, is to cut steep pavilion angles, which results in lost light containment in the finished product.

Pavilion Angle/Depth (12.06)

You also know a pavilion is deep when the overall depth is 63%+ with a shallow crown.

Table Size (12.04)

Measuring table size in a mounted diamond should be easy to carry out since this large facet is generally very accessible.

Estimating Depth (12.02)

After studying the illustrations presented in this course, you should be able to recognize the extremes in crown heights.

Study Questions for Sections 10 and 11

Study Questions for Sections 10 & 11Section 10 10.02 #1  In buying a mounted diamond the risk of inaccurate grading is greater than it would be for a loose diamond. A....