The average rate variety for a 2.75-carat diamond can vary extensively, relying on different factors along with the diamond's reduce, color, readability, and usual high quality. usually, a 2.75-carat diamond of properly nice, with a excessive cut grade, minimal inclusions (excessive readability), and a applicable colour grade, can variety from about $20,000 to $50,000 or extra. but, expenses can move better if the diamond possesses splendid characteristics or is from a renowned diamond supplier.