carat vs. color  length*  width*

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

5.55 Ct Sapphire (Round)


9 Ct Sapphire (Cushion)

10.58×10.58 mm 11.63×11.63 mm
actual size
Actual size of 5.55ct Sapphire   Actual size of 9ct Sapphire
Actual size is set for screen Change
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 5.55ct Sapphire on a ring
64 mm
Right finger image
Ring on a right finger
Blue 9ct Sapphire 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 5.55ct Sapphire Round (10.58×10.58mm, Blue) and 9ct Sapphire Cushion (11.63×11.63mm, Blue) 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.

5.55 Ct Sapphire (Round) 9 Ct Sapphire (Cushion)
10.58×10.58 mm vs 11.63×11.63 mm
87.91 mm²   121.73 mm²
Face-up size outline
Face-up size outline
5.55ct Sapphire Round (10.58×10.58mm)
9ct Sapphire Cushion (11.63×11.63mm)
Difference: 38% (33.82 mm²)
9ct Sapphire Cushion (11.63×11.63mm) has approx. 38% more face-up area than 5.55ct Sapphire Round (10.58×10.58mm).

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.