Diamonds and precious stones, a popular account of gems .. (1874)
Dieulafait, Louis, b. 1830, Sanford, Fanchon, tr · New York, Scribner, Armstrong, and Company · leaf 279
the primitive style of cutting in India was to take an octahedron, replace one of 17 258 PRECIOUS STONES. the points by a plane perpendicular to the axis,treat the opposite point in the same way, but so asto have a plane much smaller than the first, andthen cut four bezels round the principal face.… … Fig. 102.—Flat Diamond of the Grand Mogul. four upper edges bevelled down exactly like theedges of ancient Venetian mirrors. Even at thepresent day this predilection has not disappeared,and similar stones are still those that are mosthighly prized by the inhabitants of India and Ara-bia. As an…
Precious stones · Diamonds · Gems
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