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5ct Tanzanite (Emerald, 11.64×8.62mm, Blue) vs 5ct Sapphire (Emerald, 10.92×8.09mm, Blue)


Quick summary: When looked from above (face-up position), 5ct Tanzanite (11.64×8.62mm, emerald cut) appears 14% larger than 5ct Sapphire (10.92×8.09mm, emerald cut). See below how they compare side-by-side on a ring and finger.

5ct Tanzanite (emerald cut)
vs
 5ct Sapphire (emerald cut)
blue
 
blue
11.64×8.62 mm 10.92×8.09 mm
actual size
Actual size of 5ct Tanzanite (emerald cut, 11.64×8.62mm, Blue color)   Actual size of 5ct Sapphire (emerald cut, 10.92×8.09mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 5ct Tanzanite (emerald cut, 11.64×8.62mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 5ct Sapphire (emerald cut, 10.92×8.09mm) 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
 52% vs 48%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5ct Tanzanite Emerald (11.64×8.62mm, Blue) and 5ct Sapphire Emerald (10.92×8.09mm, 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 Tanzanite for a given carat weight, because it has higher specific gravity (4 vs. 3.35 - this means it's "heavier" compared to Tanzanite 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 Ct Tanzanite (Emerald) 5 Ct Sapphire (Emerald)
11.64×8.62 mm vs 10.92×8.09 mm
93.31 mm²   82.16 mm²
Face-up size outline for 5ct Tanzanite (11.64×8.62mm, emerald cut)
Face-up size outline for 5ct Sapphire (10.92×8.09mm, emerald cut)
5ct Tanzanite Emerald (11.64×8.62mm)
5ct Sapphire Emerald (10.92×8.09mm)
Difference: 14% (11.15 mm²)
5ct Tanzanite (Emerald, 11.64×8.62mm) has approx. 14% more face-up area than 5ct Sapphire (Emerald, 10.92×8.09mm).


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