The inquiry facilities on figuring out probably the most scarce and precious valuable stone. A definitive reply is complicated, as rarity is determined by a number of elements together with geologic formation, measurement, high quality, and present market demand. Examples typically cited embody purple diamonds, painite, and grandidierite, all exhibiting exceptionally restricted availability.
Possessing distinctive shortage elevates the perceived worth and desirability of a stone. This rarity contributes considerably to its price inside each gemological circles and the luxurious market. Historic demand, mixed with distinctive optical traits and restricted geographic incidence, additional solidifies the standing of those distinctive supplies.