What is the average price of diamond ring by carat?
 Up to 0.75 carat diamond price is $1,000-$2,000,up to 1 carat is $2,000 to $3,500,set in 14 carat gold. High quality 1 carat diamond, $4,000 or more, set in 18 carat gold or platinum.Quarter carat or less diamond, $125 to $500 set in 14 carat gold. 0.3 to half carat diamond, $750 to $1,000 set in 18 carat gold or platinum. 