Can diamond be a semi precious stone?
Almost every precious stone if not “pure” enough, (which means if it cannot prove good color, clarity, and luster) can drop down to a lower level and be considered semi precious. It is only due to their exquisite beauty and rarity that the precious stones (diamond, ruby, emerald, sapphire, opal and pearl) are considered precious. But you can also find specimens of lower quality from each of the above stone families. For example, you can buy 1 carat diamonds for as much as 100 $, but these specimen are then non transparent, purely cut and with questionable visual appeal. Sure, still they are diamonds, but they are no longer precious stones. Can citrine be a precious stone? The contrary is also true. You can have a precious stone quality of citrine, with amazing color, cut, brilliance, and clarity. The number of carats is not a decisive factor when we talk about extraordinary semi precious stones qualities, since larger specimens are also available. Of course, jewelry made of these types
