4 Carat Diamonds
Compare how 4 carat diamonds look across all shapes
4 Carat Size Guide
A 4 carat diamond varies in appearance depending on the shape. Here are the actual dimensions (width × height) for each cut. Browse 4 carat diamonds to see pricing and availability.
Round
10.3mm × 10.3mm
Princess
8.7mm × 8.7mm
Cushion
8.9mm × 8.9mm
Emerald
10.6mm × 7.9mm
Asscher
8.7mm × 8.7mm
Oval
12.4mm × 9.1mm
Pear
13.5mm × 8.9mm
Marquise
16.8mm × 8.3mm
Radiant
9.6mm × 7.8mm
Heart
10.3mm × 10.3mm
Note: Dimensions are based on well-cut diamonds with standard proportions. Actual sizes may vary slightly based on cut quality and proportions.
Compare Shapes at 4 Carats
See how different diamond shapes compare when they're all 4 carats:
Round vs Princessat 4 caratsRound vs Cushionat 4 caratsRound vs Emeraldat 4 caratsRound vs Asscherat 4 caratsRound vs Ovalat 4 caratsRound vs Pearat 4 caratsRound vs Marquiseat 4 caratsRound vs Radiantat 4 caratsRound vs Heartat 4 caratsPrincess vs Cushionat 4 caratsPrincess vs Emeraldat 4 caratsPrincess vs Asscherat 4 caratsPrincess vs Ovalat 4 caratsPrincess vs Pearat 4 caratsPrincess vs Marquiseat 4 caratsPrincess vs Radiantat 4 caratsPrincess vs Heartat 4 caratsCushion vs Emeraldat 4 caratsCushion vs Asscherat 4 caratsCushion vs Ovalat 4 caratsCushion vs Pearat 4 caratsCushion vs Marquiseat 4 caratsCushion vs Radiantat 4 caratsCushion vs Heartat 4 carats
Size Up or Down
Compare 4 carat diamonds to nearby carat weights: