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9ct Tanzanite (Emerald, 14.09×10.44mm, Blue) vs 9ct Kyanite (Emerald, 13.66×10.12mm, Blue)


Quick summary: When looked from above (face-up position), 9ct Tanzanite (14.09×10.44mm, emerald cut) appears 6% larger than 9ct Kyanite (13.66×10.12mm, emerald cut). See below how they compare side-by-side on a ring and finger.

9ct Tanzanite (emerald cut)
vs
 9ct Kyanite (emerald cut)
blue
 
blue
14.09×10.44 mm 13.66×10.12 mm
actual size
Actual size of 9ct Tanzanite (emerald cut, 14.09×10.44mm, Blue color)   Actual size of 9ct Kyanite (emerald cut, 13.66×10.12mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 9ct Tanzanite (emerald cut, 14.09×10.44mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 9ct Kyanite (emerald cut, 13.66×10.12mm) 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
 62% vs 60%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 9ct Tanzanite Emerald (14.09×10.44mm, Blue) and 9ct Kyanite Emerald (13.66×10.12mm, 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, Kyanite will face-up smaller than Tanzanite for a given carat weight, because it has higher specific gravity (3.68 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.


9 Ct Tanzanite (Emerald) 9 Ct Kyanite (Emerald)
14.09×10.44 mm vs 13.66×10.12 mm
136.8 mm²   128.56 mm²
Face-up size outline for 9ct Tanzanite (14.09×10.44mm, emerald cut)
Face-up size outline for 9ct Kyanite (13.66×10.12mm, emerald cut)
9ct Tanzanite Emerald (14.09×10.44mm)
9ct Kyanite Emerald (13.66×10.12mm)
Difference: 6% (8.24 mm²)
9ct Tanzanite (Emerald, 14.09×10.44mm) has approx. 6% more face-up area than 9ct Kyanite (Emerald, 13.66×10.12mm).


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