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5.5ct Sapphire (Princess, 9.27×9.27mm, Blue) vs 5.5ct Topaz (Princess, 9.67×9.67mm, Blue)


Quick summary: When looked from above (face-up position), 5.5ct Topaz (9.67×9.67mm, princess cut) appears 9% larger than 5.5ct Sapphire (9.27×9.27mm, princess cut). See below how they compare side-by-side on a ring and finger.

5.5ct Sapphire (princess cut)
vs
5.5ct Topaz (princess cut)
blue
 
blue
9.27×9.27 mm 9.67×9.67 mm
actual size
Actual size of 5.5ct Sapphire (princess cut, 9.27×9.27mm, Blue color)   Actual size of 5.5ct Topaz (princess cut, 9.67×9.67mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 5.5ct Sapphire (princess cut, 9.27×9.27mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 5.5ct Topaz (princess cut, 9.67×9.67mm) 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
55% vs 58%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5.5ct Sapphire Princess (9.27×9.27mm, Blue) and 5.5ct Topaz Princess (9.67×9.67mm, 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?

For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Face-up Size

All things being equal, Sapphire will face-up smaller than Topaz for a given carat weight, because it has higher specific gravity (4 vs. 3.53 - this means it's "heavier" compared to Topaz 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.


5.5 Ct Sapphire (Princess) 5.5 Ct Topaz (Princess)
9.27×9.27 mm vs 9.67×9.67 mm
85.93 mm²   93.51 mm²
Face-up size outline for 5.5ct Topaz (9.67×9.67mm, princess cut)
Face-up size outline for 5.5ct Sapphire (9.27×9.27mm, princess cut)
5.5ct Sapphire Princess (9.27×9.27mm)
5.5ct Topaz Princess (9.67×9.67mm)
Difference: 9% (7.58 mm²)
5.5ct Topaz (Princess, 9.67×9.67mm) has approx. 9% more face-up area than 5.5ct Sapphire (Princess, 9.27×9.27mm).


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