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5.6ct Tanzanite (Baguette, 13.13×8.75mm, Blue) vs 1ct Benitoite (Marquise, 10.18×5.09mm, Blue)


Quick summary: When looked from above (face-up position), 5.6ct Tanzanite (13.13×8.75mm, baguette cut) appears 3.1 times larger than 1ct Benitoite (10.18×5.09mm, marquise cut). See below how they compare side-by-side on a ring and finger.

5.6ct Tanzanite (baguette cut)
vs
 1ct Benitoite (marquise cut)
blue
 
blue
13.13×8.75 mm 10.18×5.09 mm
actual size
Actual size of 5.6ct Tanzanite (baguette cut, 13.13×8.75mm, Blue color)   Actual size of 1ct Benitoite (marquise cut, 10.18×5.09mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 5.6ct Tanzanite (baguette cut, 13.13×8.75mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1ct Benitoite (marquise cut, 10.18×5.09mm) 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 31%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5.6ct Tanzanite Baguette (13.13×8.75mm, Blue) and 1ct Benitoite Marquise (10.18×5.09mm, 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, Benitoite will face-up smaller than Tanzanite for a given carat weight, because it has higher specific gravity (3.65 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.


5.6 Ct Tanzanite (Baguette) 1 Ct Benitoite (Marquise)
13.13×8.75 mm vs 10.18×5.09 mm
114.89 mm²   36.79 mm²
Face-up size outline for 5.6ct Tanzanite (13.13×8.75mm, baguette cut)
Face-up size outline for 1ct Benitoite (10.18×5.09mm, marquise cut)
5.6ct Tanzanite Baguette (13.13×8.75mm)
1ct Benitoite Marquise (10.18×5.09mm)
Difference: 212% (78.1 mm²)
5.6ct Tanzanite (Baguette, 13.13×8.75mm) has approx. 212% more face-up area than 1ct Benitoite (Marquise, 10.18×5.09mm). In other words, it's 3.12x larger.


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