Is there a direct or noticable difference between hand cut CZ vs machine cut stones? On bellisima gem the diff. in price is about $100 from the machined to the hand cut. Is it worth the money? Gin says it is Quality vs mass production. Is $250 too much to pay for a 1ct cz stone? And if it is than why are Asha stones in the thousands??? Please help me make the best descision.