Diamond, (fr. diamant): this, the chief of precious stones, is sometimes represented in English, but more frequently in French, coats of arms, and with this may be associated both the crystal and the brilliant. The term, however, it may be added, has been chosen in the fanciful blazoning of the arms of peers in the seventeenth century for sable.
Argent, on a mount vert, a palm tree of the last thereon pendent a shield azure, charged with three mullets of the first pierced of the third; on a chief of the last a sun proper between two rings or, each adorned with a diamond--NORDEN, London, .
Or, a chevron between nine links of a chain, each division consisting of three links sable. On a chief gules, a large diamond set in the midst of a triangle within a double row of brilliants proper--MIGNOT.
Argent, on a fesse gules, three Crystals .... in a bordure ermine--BOUSALL, Co. Cardigan.
De gueules, à trois diamants en lozanges tailleés a facettes d'argent, en fasces--AFFAGARD, Normandie.