5 Simple Techniques For diamond ring
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 back to the imperfections from the diamond. A slightly bundled (SI1 or SI2) diamond typically appears flawless to your naked eye and offers fantastic value.There’s no certa