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4ct Sapphire (Round, 9.49×9.49mm, White) vs 0.5ct Sapphire (Round, 4.75×4.75mm, White)


Quick summary: When looked from above (face-up position), 4ct Sapphire (9.49×9.49mm, round cut) appears 4 times larger than 0.5ct Sapphire (4.75×4.75mm, round cut). See below how they compare side-by-side on a ring and finger.

4ct Sapphire (round cut)
vs
 0.5ct Sapphire (round cut)
white
 
white
9.49×9.49 mm 4.75×4.75 mm
actual size
Actual size of 4ct Sapphire (round cut, 9.49×9.49mm, White color)   Actual size of 0.5ct Sapphire (round cut, 4.75×4.75mm, White color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 4ct Sapphire (round cut, 9.49×9.49mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.5ct Sapphire (round cut, 4.75×4.75mm) 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
 57% vs 29%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 4ct Sapphire Round (9.49×9.49mm, White) and 0.5ct Sapphire Round (4.75×4.75mm, White) 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

The face-up size depends on the shape of the gem, its weight and the 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.


4 Ct Sapphire (Round) 0.5 Ct Sapphire (Round)
9.49×9.49 mm vs 4.75×4.75 mm
70.73 mm²   17.72 mm²
Face-up size outline for 4ct Sapphire (9.49×9.49mm, round cut)
Face-up size outline for 0.5ct Sapphire (4.75×4.75mm, round cut)
4ct Sapphire Round (9.49×9.49mm)
0.5ct Sapphire Round (4.75×4.75mm)
Difference: 299% (53.01 mm²)
4ct Sapphire (Round, 9.49×9.49mm) has approx. 299% more face-up area than 0.5ct Sapphire (Round, 4.75×4.75mm). In other words, it's 3.99x larger.


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