Calculating Diamond Price Per Carat

Diamond Carat Weight	Price (Per Carat, Round Brilliant Cut)
1.0 carat	$2,500 – $18,000
1.50 carat	$3,400 – $24,000
2.0 carat	$4,200 – $29,000
3.0 carat	$7,200 – $51,000