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11ct Tanzanite (Baguette, 16.35×10.9mm, Blue) vs 11ct Aquamarine (Baguette, 17.52×11.68mm, Light Blue)


Quick summary: When looked from above (face-up position), 11ct Aquamarine (17.52×11.68mm, baguette cut) appears 15% larger than 11ct Tanzanite (16.35×10.9mm, baguette cut). See below how they compare side-by-side on a ring and finger.

11ct Tanzanite (baguette cut)
vs
 11ct Aquamarine (baguette cut)
blue
 
light blue
16.35×10.9 mm 17.52×11.68 mm
actual size
Actual size of 11ct Tanzanite (baguette cut, 16.35×10.9mm, Blue color)   Actual size of 11ct Aquamarine (baguette cut, 17.52×11.68mm, Light Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 11ct Tanzanite (baguette cut, 16.35×10.9mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Blue 11ct Aquamarine (baguette cut, 17.52×11.68mm) 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
 65% vs 70%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 11ct Tanzanite Baguette (16.35×10.9mm, Blue) and 11ct Aquamarine Baguette (17.52×11.68mm, Light 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, Tanzanite will face-up smaller than Aquamarine for a given carat weight, because it has higher specific gravity (3.35 vs. 2.72 - this means it's "heavier" compared to Aquamarine 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.


11 Ct Tanzanite (Baguette) 11 Ct Aquamarine (Baguette)
16.35×10.9 mm vs 17.52×11.68 mm
178.22 mm²   204.63 mm²
Face-up size outline for 11ct Aquamarine (17.52×11.68mm, baguette cut)
Face-up size outline for 11ct Tanzanite (16.35×10.9mm, baguette cut)
11ct Tanzanite Baguette (16.35×10.9mm)
11ct Aquamarine Baguette (17.52×11.68mm)
Difference: 15% (26.41 mm²)
11ct Aquamarine (Baguette, 17.52×11.68mm) has approx. 15% more face-up area than 11ct Tanzanite (Baguette, 16.35×10.9mm).


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