Assertion: stone's gemstone | /r/HasAspect | the highest commercial value
Facets:
value: owing to its beauty
type: CAUSE
Source sentences:
text: Precious stone: "A gemstone that, owing to its beauty, rarity, durability, and hardness, has the highest commercial value and traditionally has enjoyed the highest esteem since antiquity; specifically, diamond, ruby, sapphire, and emerald (and sometimes pearl, opal, topaz, and chrysoberyl).