Meaning ofblack diamondin English

Noun

1. a naturally black diamond (Carbonado)
2. a natural black diamond (Carbonado)
3. a synthetic black diamond (CVD or HPHT)
   The jeweler sold a synthetic black diamond ring.
4. a member of South Africa's affluent black middle class; conspicuous consumption
   In South Africa, the term black diamond refers to a wealthy individual.
5. a South African affluent individual; characterized by lavish spending
   The black diamond symbol on the map indicated a very challenging hike.
6. a symbol for steep and difficult trails (40% gradient)
   The black diamond community in South Africa is known for its love of luxury goods.
7. a symbol for steep trails; 40% gradient or steeper
   The park ranger warned hikers about the black diamond trail ahead.