red diamond
Scarlet four-sided gem
A red diamond is an extremely rare variety of diamond with a natural red coloration, among the rarest and most valuable gemstones in the world.
Red diamonds get their color from a rare deformation in the crystal structure rather than from impurities.
The term also refers to the red diamond shape used in card suits, road signs, and various warning symbols.
- rubyPrecious red gemstone
- crimsonDeep purplish-red shade
- gemstoneOrnamental cut mineral
- precious stoneRare, valuable mineral specimen
- rareSeldom found or seen
precious · carat · jewel · blood · scarlet · facet · brilliant · playing card · playing cards · card game · suit · poker · casino · sparkle · clarity · cut · treasure · vermillion
red diamondindustrial diamond
Engineered abrasive gemstone
synthetic diamond · costume jewelry · rhinestone · cubic zirconia · quartz
red, diamond, reds, redden, reddish, reddened, reddening, redder, reddest