carat vs. color  length*  width*

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2 Ct Sapphire (Oval)


2 Ct Ruby (Round)

9.53×6.35 mm 7.53×7.53 mm
actual size
Actual size of 2ct Sapphire   Actual size of 2ct Ruby
Actual size is set for screen Change
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 2ct Sapphire on a ring
64 mm
Right finger image
Ring on a right finger
Red 2ct 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 2ct Sapphire Oval (9.53×6.35mm, Blue) and 2ct Ruby Round (7.53×7.53mm, 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

Sapphire and Ruby have the same specific gravity so their face-up size depends on the weight, shape and 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.

2 Ct Sapphire (Oval) 2 Ct Ruby (Round)
9.53×6.35 mm vs 7.53×7.53 mm
49.62 mm²   44.53 mm²
Face-up size outline
Face-up size outline
2ct Sapphire Oval (9.53×6.35mm)
2ct Ruby Round (7.53×7.53mm)
Difference: 11% (5.09 mm²)
2ct Sapphire Oval (9.53×6.35mm) has approx. 11% more face-up area than 2ct Ruby Round (7.53×7.53mm).

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.