Fully saturated, opaque, and outside conventional grading- there is no clarity scale for a stone light does not pass through. What a black diamond offers instead is surface: a hard graphite luster closer to metal than to gem, and an outline that stays sharp against any setting.

Hexagon, kite, shield, lozenge, bullet, trilliant- angular outlines carrying rose cut faceting, domed above and flat below with no pavilion and no culet. Two ideas nobody had put together until we did it in 2014. Straight edges hold the dome in a way a round never will, and the flat base sits low and close against the hand.