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9.5ct Sapphire (Heart, 13.25×13.25mm, Blue) vs 9.5ct Topaz (Heart, 13.82×13.82mm, Blue)


Quick summary: When looked from above (face-up position), 9.5ct Topaz (13.82×13.82mm, heart cut) appears 9% larger than 9.5ct Sapphire (13.25×13.25mm, heart cut). See below how they compare side-by-side on a ring and finger.

9.5ct Sapphire (heart cut)
vs
9.5ct Topaz (heart cut)
blue
 
blue
13.25×13.25 mm 13.82×13.82 mm
actual size
Actual size of 9.5ct Sapphire (heart cut, 13.25×13.25mm, Blue color)   Actual size of 9.5ct Topaz (heart cut, 13.82×13.82mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 9.5ct Sapphire (heart cut, 13.25×13.25mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 9.5ct Topaz (heart cut, 13.82×13.82mm) 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
79% vs 82%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 9.5ct Sapphire Heart (13.25×13.25mm, Blue) and 9.5ct Topaz Heart (13.82×13.82mm, 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.


9.5 Ct Sapphire (Heart) 9.5 Ct Topaz (Heart)
13.25×13.25 mm vs 13.82×13.82 mm
126.41 mm²   137.51 mm²
Face-up size outline for 9.5ct Topaz (13.82×13.82mm, heart cut)
Face-up size outline for 9.5ct Sapphire (13.25×13.25mm, heart cut)
9.5ct Sapphire Heart (13.25×13.25mm)
9.5ct Topaz Heart (13.82×13.82mm)
Difference: 9% (11.1 mm²)
9.5ct Topaz (Heart, 13.82×13.82mm) has approx. 9% more face-up area than 9.5ct Sapphire (Heart, 13.25×13.25mm).


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