Page:A treatise on diamonds and precious stones including their history Natural and commercial.djvu/116

 are called under skill facets, and the sides or pentagons, pavilion facets.

of the foreien-cut brilliants have the facets inclined at an angle of 50°, or even more, the principal study with foreign workmen being to retain as much weight as possible.—These stones are sometimes reduced to the above standard by English artists, it being found that the additional expense in recutting the facets and the consequent loss of weight is fully compensated by the increased brilliancy of the gem. The brilliant is set with the table side upwards, and the collet-side implanted in the cavity made to receive the diamond.

regular rose diamond, is the form given to those stones, the spread of which is