carat vs. color  length*  width*

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

0.78 Ct Ruby (Pear)


1.37 Ct Ruby (Pear)

dark red
dark red
5.9×5.1 mm 7.3×6.85 mm
actual size
Actual size of 0.78ct Ruby   Actual size of 1.37ct Ruby
Actual size is set for screen Change
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Dark Red 0.78ct Ruby on a ring
64 mm
Right finger image
Ring on a right finger
Dark Red 1.37ct Ruby on a ring
Your settings
Skin tone
Ring diameter
16.9 mm
Ring width
3.0 mm
Finger length
64 mm
Ring diameter: 16.9 mm
Actual sizes of 0.78ct Ruby Pear (5.9×5.1mm, Dark Red) and 1.37ct Ruby Pear (7.3×6.85mm, 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?

JamesAllen → high-quality gemstones (Rubies, Saphhires, Emeralds) and especially Diamonds, high-end jewelry and competitive prices. Highly recommended.
Amazon → usually offers a good selection from many different vendors. Worth a check.

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.

0.78 Ct Ruby (Pear) 1.37 Ct Ruby (Pear)
5.9×5.1 mm vs 7.3×6.85 mm
21.97 mm²   36.5 mm²
Face-up size outline
Face-up size outline
0.78ct Ruby Pear (5.9×5.1mm)
1.37ct Ruby Pear (7.3×6.85mm)
Difference: 66% (14.53 mm²)
1.37ct Ruby Pear (7.3×6.85mm) has approx. 66% more face-up area than 0.78ct Ruby Pear (5.9×5.1mm).

Popular comparisons:

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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.