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1ct Tanzanite (Princess, 5.73×5.73mm, Blue) vs 1ct Morganite (Princess, 6.13×6.13mm, Light Purple)


Quick summary: When looked from above (face-up position), 1ct Morganite (6.13×6.13mm, princess cut) appears 14% larger than 1ct Tanzanite (5.73×5.73mm, princess cut). See below how they compare side-by-side on a ring and finger.

1ct Tanzanite (princess cut)
vs
1ct Morganite (princess cut)
blue
 
light purple
5.73×5.73 mm 6.13×6.13 mm
actual size
Actual size of 1ct Tanzanite (princess cut, 5.73×5.73mm, Blue color)   Actual size of 1ct Morganite (princess cut, 6.13×6.13mm, Light Purple color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1ct Tanzanite (princess cut, 5.73×5.73mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Purple 1ct Morganite (princess cut, 6.13×6.13mm) 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
34% vs 37%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1ct Tanzanite Princess (5.73×5.73mm, Blue) and 1ct Morganite Princess (6.13×6.13mm, Light Purple) 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 Morganite for a given carat weight, because it has higher specific gravity (3.35 vs. 2.8 - this means it's "heavier" compared to Morganite 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.


1 Ct Tanzanite (Princess) 1 Ct Morganite (Princess)
5.73×5.73 mm vs 6.13×6.13 mm
32.83 mm²   37.58 mm²
Face-up size outline for 1ct Morganite (6.13×6.13mm, princess cut)
Face-up size outline for 1ct Tanzanite (5.73×5.73mm, princess cut)
1ct Tanzanite Princess (5.73×5.73mm)
1ct Morganite Princess (6.13×6.13mm)
Difference: 14% (4.75 mm²)
1ct Morganite (Princess, 6.13×6.13mm) has approx. 14% more face-up area than 1ct Tanzanite (Princess, 5.73×5.73mm).


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