×
carat vs. color  length*  width*
  ×

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

4ct Ruby (Pear, 13.18×7.94mm, Red) vs 3.5ct Ruby (Emerald, 9.69×7.18mm, Red)


Quick summary: When looked from above (face-up position), 4ct Ruby (13.18×7.94mm, pear cut) appears 18% larger than 3.5ct Ruby (9.69×7.18mm, emerald cut). See below how they compare side-by-side on a ring and finger.

4ct Ruby (pear cut)
vs
3.5ct Ruby (emerald cut)
red
 
red
13.18×7.94 mm 9.69×7.18 mm
actual size
Actual size of 4ct Ruby (pear cut, 13.18×7.94mm, Red color)   Actual size of 3.5ct Ruby (emerald cut, 9.69×7.18mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 4ct Ruby (pear cut, 13.18×7.94mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 3.5ct Ruby (emerald cut, 9.69×7.18mm) 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
47% vs 43%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 4ct Ruby Pear (13.18×7.94mm, Red) and 3.5ct Ruby Emerald (9.69×7.18mm, 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

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 Ruby (Pear) 3.5 Ct Ruby (Emerald)
13.18×7.94 mm vs 9.69×7.18 mm
76.39 mm²   64.7 mm²
Face-up size outline for 4ct Ruby (13.18×7.94mm, pear cut)
Face-up size outline for 3.5ct Ruby (9.69×7.18mm, emerald cut)
4ct Ruby Pear (13.18×7.94mm)
3.5ct Ruby Emerald (9.69×7.18mm)
Difference: 18% (11.69 mm²)
4ct Ruby (Pear, 13.18×7.94mm) has approx. 18% more face-up area than 3.5ct Ruby (Emerald, 9.69×7.18mm).


Popular comparisons: