just wondering if you can just give me what i should be looking for in a diamonds stats....heres an example i just cut and copied: 1.64 G SI1 62.2% 57% GIA thn no vg ex no 7.50*7.57*4.69 ..................now what range should i be in to have a nice diamond with all these numbers........also i want to stay in the 1.55 to almost 1.70 carat range....thanks in advance