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0.75ct Ruby (Princess, 4.88×4.88mm, Red) vs 0.75ct Sapphire (Round, 5.43×5.43mm, Blue)


Quick summary: When looked from above (face-up position), 0.75ct Ruby (4.88×4.88mm, princess cut) appears 3% larger than 0.75ct Sapphire (5.43×5.43mm, round cut). See below how they compare side-by-side on a ring and finger.

0.75ct Ruby (princess cut)
vs
 0.75ct Sapphire (round cut)
red
 
blue
4.88×4.88 mm 5.43×5.43 mm
actual size
Actual size of 0.75ct Ruby (princess cut, 4.88×4.88mm, Red color)   Actual size of 0.75ct Sapphire (round cut, 5.43×5.43mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 0.75ct Ruby (princess cut, 4.88×4.88mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.75ct Sapphire (round cut, 5.43×5.43mm) on a right ring and finger
Your settings
Ring
 Gold
Skin tone
 Light
Ring diameter
 16.9 mm
Ring width
 3.0 mm
Finger length
 64 mm
Finger coverage
 29% vs 33%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.75ct Ruby Princess (4.88×4.88mm, Red) and 0.75ct Sapphire Round (5.43×5.43mm, Blue) as they would appear on a ring and finger. Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.

Where to buy?

For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Face-up Size

Ruby and Sapphire have the same specific gravity so their face-up size depends on the weight, shape and proportions of the cut. Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.


0.75 Ct Ruby (Princess) 0.75 Ct Sapphire (Round)
4.88×4.88 mm vs 5.43×5.43 mm
23.81 mm²   23.16 mm²
Face-up size outline for 0.75ct Ruby (4.88×4.88mm, princess cut)
Face-up size outline for 0.75ct Sapphire (5.43×5.43mm, round cut)
0.75ct Ruby Princess (4.88×4.88mm)
0.75ct Sapphire Round (5.43×5.43mm)
Difference: 3% (0.65 mm²)
0.75ct Ruby (Princess, 4.88×4.88mm) has approx. 3% more face-up area than 0.75ct Sapphire (Round, 5.43×5.43mm).


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