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鑽石分為一型和二型兩種,這主要是根據它是否含有N元素:一型含;二型不含。而藍色的鑽石是二B型的,是半導體。Clarity: This refers to the imperfections in the diamond. A rather involved (SI1 or SI2) diamond usually looks flawless into the naked eye and offers superior worth.There’s no particular carat