A 0.5 carat diamond costs $250–$2,600 in our 2026 ranges, depending on shape, origin, grading, and cut quality. See every available shape.
A 0.75 carat diamond typically costs $340–$4,500, depending on shape and origin. See 2026 lab-grown and natural price ranges, plus setting costs.
An asscher cut diamond has a square step-cut design, cropped corners and hall-of-mirrors sparkle. Compare its prices, risks and best settings for 2026.
The best diamond shape depends on finger length, width, and knuckle shape. Use this 2026 guide to choose a flattering outline and setting.