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10ct Kyanite (Princess, 11.64×11.64mm, Blue) vs 10ct Benitoite (Princess, 11.67×11.67mm, Blue)


Quick summary: When looked from above (face-up position), 10ct Benitoite (11.67×11.67mm, princess cut) appears 0.5% larger than 10ct Kyanite (11.64×11.64mm, princess cut). See below how they compare side-by-side on a ring and finger.

10ct Kyanite (princess cut)
vs
 10ct Benitoite (princess cut)
blue
 
blue
11.64×11.64 mm 11.67×11.67 mm
actual size
Actual size of 10ct Kyanite (princess cut, 11.64×11.64mm, Blue color)   Actual size of 10ct Benitoite (princess cut, 11.67×11.67mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 10ct Kyanite (princess cut, 11.64×11.64mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 10ct Benitoite (princess cut, 11.67×11.67mm) 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
 69% vs 70%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 10ct Kyanite Princess (11.64×11.64mm, Blue) and 10ct Benitoite Princess (11.67×11.67mm, 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, 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.


10 Ct Kyanite (Princess) 10 Ct Benitoite (Princess)
11.64×11.64 mm vs 11.67×11.67 mm
135.49 mm²   136.19 mm²
Face-up size outline for 10ct Benitoite (11.67×11.67mm, princess cut)
Face-up size outline for 10ct Kyanite (11.64×11.64mm, princess cut)
10ct Kyanite Princess (11.64×11.64mm)
10ct Benitoite Princess (11.67×11.67mm)
Difference: 0.5% (0.7 mm²)
10ct Benitoite (Princess, 11.67×11.67mm) has approx. 0.5% more face-up area than 10ct Kyanite (Princess, 11.64×11.64mm).


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