His most expensive item was a $750,000 black diamond mink cape lined with 100,000 Austrian rhinestones.
On hooks round the walls were hangings of blue tapestry, presenting a black diamond pattern, within a border of red roses.
The diamond chosen is a black diamond, the blacker the better.
Two seams are worked at Franklin, and three at black diamond.
Carbonado is a name given to black diamond which has more or less crystalline structure.
A gentleman asked his black diamond merchant the price of coals.
The coal of the Franklin and black diamond mines is bituminous lignite.
Red mittens with a black diamond pattern on the back are much run after.
He had worked as a coal porter and hence received his nickname, the black diamond.
This is the principal source of the black diamond so largely used in diamond-drilling.