A precious stone without a rival is the blue diamond of
Mr. Hope. Its weight is 44-1/8 carats, and its colour is the blue of
the most beautiful sapphire, added to an adamantine lustre of the
utmost brilliancy. It was purchased for $83,700, but competent judges
declare that it is worth more.
ENGRAVING UPON THE DIAMOND.
Notwithstanding its wonderful hardness, the diamond has been engraved.
In the Paris Exhibition of 1867, in the Italian section, an engraved diamond was exhibited. It