Education
The Critical Angle 5.08
This escape route is the critical angle, which is 24.5˚. This is actually more accurately described as an imaginary cone where the point starts at the surface entry or exit...
The Critical Angle 5.08
This escape route is the critical angle, which is 24.5˚. This is actually more accurately described as an imaginary cone where the point starts at the surface entry or exit...
Section 1 The Beginning Stages of the Diamond T...
Section 1 The Beginning Stages of the Diamond TradeEarly Diamond History The Early Years of De Beers Early Diamond Marketing Famous Mines Table of Contents Next Page
Section 1 The Beginning Stages of the Diamond T...
Section 1 The Beginning Stages of the Diamond TradeEarly Diamond History The Early Years of De Beers Early Diamond Marketing Famous Mines Table of Contents Next Page
Likeliness of Breakage (5.30)
The absolute worst combination for possible breakage are the very acute angles that have been formed by the flat angles on the crown and pavilion, together with a Very Thin...
Likeliness of Breakage (5.30)
The absolute worst combination for possible breakage are the very acute angles that have been formed by the flat angles on the crown and pavilion, together with a Very Thin...
Estimating Table Size by Eye (5.29)
With practice, the simple process of louping the diamond for estimation of table size will come without needing any measurements.
Estimating Table Size by Eye (5.29)
With practice, the simple process of louping the diamond for estimation of table size will come without needing any measurements.
Ideal Star Shape 5.28
The ideal star facet shape is an equilateral triangle, (all three sides equal in length).
Ideal Star Shape 5.28
The ideal star facet shape is an equilateral triangle, (all three sides equal in length).
The Table Percentage Bowing Method (5.27)
The Table Percentage Bowing Method can also be effective in table size estimation. With properly cut star facets, a 60% table forms a perfect square.
The Table Percentage Bowing Method (5.27)
The Table Percentage Bowing Method can also be effective in table size estimation. With properly cut star facets, a 60% table forms a perfect square.