×
carat vs. color  length*  width*
  ×

(or examine a single gem)
* size in mm (optional)

0.5ct Ruby (Marquise, 7.84×3.92mm, Red) vs 0.25ct Ruby (Marquise, 6.22×3.11mm, Red)


Quick summary: When looked from above (face-up position), 0.5ct Ruby (7.84×3.92mm, marquise cut) appears 59% larger than 0.25ct Ruby (6.22×3.11mm, marquise cut). See below how they compare side-by-side on a ring and finger.

0.5ct Ruby (marquise cut)
vs
0.25ct Ruby (marquise cut)
red
 
red
7.84×3.92 mm 6.22×3.11 mm
actual size
Actual size of 0.5ct Ruby (marquise cut, 7.84×3.92mm, Red color)   Actual size of 0.25ct Ruby (marquise cut, 6.22×3.11mm, Red color)
 
Actual size is set for screen Change
Settings
Ring: Skin tone:
Ring width: 3.0 mm
Saved...
Left finger image
Ring on left finger
Red 0.5ct Ruby (marquise cut, 7.84×3.92mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 0.25ct Ruby (marquise cut, 6.22×3.11mm) 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
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.5ct Ruby Marquise (7.84×3.92mm, Red) and 0.25ct Ruby Marquise (6.22×3.11mm, 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 (Marquise) 0.25 Ct Ruby (Marquise)
7.84×3.92 mm vs 6.22×3.11 mm
21.82 mm²   13.73 mm²
Face-up size outline for 0.5ct Ruby (7.84×3.92mm, marquise cut)
Face-up size outline for 0.25ct Ruby (6.22×3.11mm, marquise cut)
0.5ct Ruby Marquise (7.84×3.92mm)
0.25ct Ruby Marquise (6.22×3.11mm)
Difference: 59% (8.09 mm²)
0.5ct Ruby Marquise (7.84×3.92mm) has approx. 59% more face-up area than 0.25ct Ruby Marquise (6.22×3.11mm).


Popular comparisons:

Enter your screen size (diagonal)

My screen size is  inches



Actual size is currently adjusted to screen.

If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.