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3ct Kyanite (Emerald, 9.46×7.01mm, Blue) vs 3ct Benitoite (Emerald, 9.49×7.03mm, Blue)


Quick summary: When looked from above (face-up position), 3ct Benitoite (9.49×7.03mm, emerald cut) appears 0.6% larger than 3ct Kyanite (9.46×7.01mm, emerald cut). See below how they compare side-by-side on a ring and finger.

3ct Kyanite (emerald cut)
vs
3ct Benitoite (emerald cut)
blue
 
blue
9.46×7.01 mm 9.49×7.03 mm
actual size
Actual size of 3ct Kyanite (emerald cut, 9.46×7.01mm, Blue color)   Actual size of 3ct Benitoite (emerald cut, 9.49×7.03mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 3ct Kyanite (emerald cut, 9.46×7.01mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 3ct Benitoite (emerald cut, 9.49×7.03mm) 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
42% vs 42%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 3ct Kyanite Emerald (9.46×7.01mm, Blue) and 3ct Benitoite Emerald (9.49×7.03mm, 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 slightly smaller than Benitoite for a given carat weight, because it has higher specific gravity (3.68 vs. 3.65 - this means it's "slightly heavier" compared to Benitoite 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.


3 Ct Kyanite (Emerald) 3 Ct Benitoite (Emerald)
9.46×7.01 mm vs 9.49×7.03 mm
61.67 mm²   62.04 mm²
Face-up size outline for 3ct Benitoite (9.49×7.03mm, emerald cut)
Face-up size outline for 3ct Kyanite (9.46×7.01mm, emerald cut)
3ct Kyanite Emerald (9.46×7.01mm)
3ct Benitoite Emerald (9.49×7.03mm)
Difference: 0.6% (0.37 mm²)
3ct Benitoite (Emerald, 9.49×7.03mm) has approx. 0.6% more face-up area than 3ct Kyanite (Emerald, 9.46×7.01mm).


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