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add the value Alderman appear bad blended beauty Brazil mines Brilliant Diamonds buyer cafe Carats Multiplied circumstances City of London compleat crown defects Diamonds and Pearls draughts exhibited expansion fame farther fassets fides find the value Fort St girdle half the weight horizontal hundred carats ill wrought India instances Jewels John king of Portugal likewise Lisbon loss of weight lustre manner manu manufac manufacturing Diamonds means Member of Parliament Merchant Method of manufacturing method of valuing middle price monds neral observed parcel pounds per carat price of rough Prince of Wales produce proper publick purchasing regard to rough render Rose Dia Rose Diamonds rough Dia rough Diamonds rough or wrought Royal Highness rule of valuing shew shewn six carats spread Brilliants square Brilliant stance supposed taken notice thence thereof tion tiply trade treatise true truth ture upper value of Diamonds value of rough wrought Dia wrought Stones
Page 15 - Ikill facets, are of a triangular figure. Both of thefe partake equally of the depth of the upper fides from the table to the girdle ; and meet in the middle of each tide of the table and girdle, as . alfo at the corners.
Page xxi - Bezilt : the upper sides and corners of the brilliant, lying between the edge of the table and the girdle. Collet : the small horizontal plane or face, at the bottom of the brilliant. • P...
Page 37 - A rough diamond must be chosen uniform, of a good shape, transparent, not quite white, and free of flaws and shivers.
Page xxi - The collet is the small horizontal plane or face at the bottom of the brilliant. The crown is the upper work of the rose, which all centres in the point at the top, and is bounded by the horizontal ribs.
Page 14 - ... the under fides muft be flattened at the top, to anfwer the above flattening at the girdle, and at bottom muft be ¿ of each fide of the collet.
Page x - Francis Afcough, DD Clerk of the Clofet to his Royal ' Highnefs the Prince of WALES.
Page 14 - T of one fide of the girdle ; and each corner rib of the under fides, muft be flattened at the top, to anfwer the above flattening at the girdle ; and at the bottom ~ of each fide of the collet.
Page 119 - Stone has, the higher it is in efteem, although fuch holes may prejudice itj if it were to be manufactured ; but as that is never intended, they do not regard...