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0.5ct Ruby (Round, 4.75×4.75mm, Dark Red) vs 0.25ct Ruby (Round, 3.77×3.77mm, Dark Red)


Quick summary: When looked from above (face-up position), 0.5ct Ruby (4.75×4.75mm, round cut) appears 59% larger than 0.25ct Ruby (3.77×3.77mm, round cut). See below how they compare side-by-side on a ring and finger.

0.5ct Ruby (round cut)
vs
 0.25ct Ruby (round cut)
dark red
 
dark red
4.75×4.75 mm 3.77×3.77 mm
actual size
Actual size of 0.5ct Ruby (round cut, 4.75×4.75mm, Dark Red color)   Actual size of 0.25ct Ruby (round cut, 3.77×3.77mm, Dark Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Dark Red 0.5ct Ruby (round cut, 4.75×4.75mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Dark Red 0.25ct Ruby (round cut, 3.77×3.77mm) 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 23%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.5ct Ruby Round (4.75×4.75mm, Dark Red) and 0.25ct Ruby Round (3.77×3.77mm, Dark Red) 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.


0.5 Ct Ruby (Round) 0.25 Ct Ruby (Round)
4.75×4.75 mm vs 3.77×3.77 mm
17.72 mm²   11.16 mm²
Face-up size outline for 0.5ct Ruby (4.75×4.75mm, round cut)
Face-up size outline for 0.25ct Ruby (3.77×3.77mm, round cut)
0.5ct Ruby Round (4.75×4.75mm)
0.25ct Ruby Round (3.77×3.77mm)
Difference: 59% (6.56 mm²)
0.5ct Ruby (Round, 4.75×4.75mm) has approx. 59% more face-up area than 0.25ct Ruby (Round, 3.77×3.77mm).


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