×
carat vs. color  length*  width*
  ×

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

4.5ct Ruby (Marquise, 16.06×8.03mm, Red) vs 4.5ct Pyrope (Marquise, 16.36×8.18mm, Red)


Quick summary: When looked from above (face-up position), 4.5ct Pyrope (16.36×8.18mm, marquise cut) appears 4% larger than 4.5ct Ruby (16.06×8.03mm, marquise cut). See below how they compare side-by-side on a ring and finger.

4.5ct Ruby (marquise cut)
vs
4.5ct Pyrope (marquise cut)
red
 
red
16.06×8.03 mm 16.36×8.18 mm
actual size
Actual size of 4.5ct Ruby (marquise cut, 16.06×8.03mm, Red color)   Actual size of 4.5ct Pyrope (marquise cut, 16.36×8.18mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 4.5ct Ruby (marquise cut, 16.06×8.03mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 4.5ct Pyrope (marquise cut, 16.36×8.18mm) 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
48% vs 49%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 4.5ct Ruby Marquise (16.06×8.03mm, Red) and 4.5ct Pyrope Marquise (16.36×8.18mm, 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

All things being equal, Ruby will face-up smaller than Pyrope for a given carat weight, because it has higher specific gravity (4 vs. 3.78 - this means it's "heavier" compared to Pyrope of the same size). Face-up size also depends heavily on 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.


4.5 Ct Ruby (Marquise) 4.5 Ct Pyrope (Marquise)
16.06×8.03 mm vs 16.36×8.18 mm
91.56 mm²   95.02 mm²
Face-up size outline for 4.5ct Pyrope (16.36×8.18mm, marquise cut)
Face-up size outline for 4.5ct Ruby (16.06×8.03mm, marquise cut)
4.5ct Ruby Marquise (16.06×8.03mm)
4.5ct Pyrope Marquise (16.36×8.18mm)
Difference: 4% (3.46 mm²)
4.5ct Pyrope (Marquise, 16.36×8.18mm) has approx. 4% more face-up area than 4.5ct Ruby (Marquise, 16.06×8.03mm).


Popular comparisons: