Another word for diamond
A crystalline jewel
Grades, sizes, and forms of diamonds include: green, blue, blue-green, yellow, orange, canary, red, pink, brown, gray, smoky, black, rough, uncut, brilliant, double brilliant, half-brilliant, trap-brilliant, split-brilliant, old-mine, Kimberley, Brazilian, industrial, artificial; table, pear-shaped, marquise, baguette, emerald-cut, table-cut, flat-cut, square-cut, oval-cut; diamond of the first water, diamond of the second water, diamond of the third water;
Famous diamonds include: Jubilee, Cullinan, Orlof, Nassak, Pigott, Hope, Great Mogul, Shah of Persia, Florentine, Star of the South, Kohinoor, Mountain of Light, Star of Yakutia, Regent, Pitt, Pascha of Egypt.
An instrument using a diamond
cutter, glass cutter, diamond point; see tool 1.
Shape or figure
A baseball playing field, particularly the infield