A 0.25 Carat diamond is worth between $275 to $440. ... Cut, Clarity, Carat, and Color: the Four Cs of diamond quality will highly influence the price and value of a diamond. Diamonds that have received certification from either GIA (Gemological Institute of American) or AGS (American Gem Society) are considered reliable.Sep 5, 2017
How much is a quarter carat of diamond worth?
How much is a quarter of a carat diamond worth? A similar quality 0.25 carat diamond is around $2,000 per carat. So the diamond itself would cost $500 ($2,000 * 0.25).
According to the Diamond Carat Size Guide for round brilliant diamonds, a 0.25ct diamond should be 4.1mm across, and a 0.5ct diamond 5.1mm, a clear difference of 1.0mm.Nov 16, 2017