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1ct Tourmaline (Trillion, 7.65×7.65mm, Violet) vs 2.7ct Morganite (Trillion, 11.16×11.16mm, Light Purple)


Quick summary: When looked from above (face-up position), 2.7ct Morganite (11.16×11.16mm, trillion cut) appears 2.1 times larger than 1ct Tourmaline (7.65×7.65mm, trillion cut). See below how they compare side-by-side on a ring and finger.

1ct Tourmaline (trillion cut)
vs
 2.7ct Morganite (trillion cut)
violet
 
light purple
7.65×7.65 mm 11.16×11.16 mm
actual size
Actual size of 1ct Tourmaline (trillion cut, 7.65×7.65mm, Violet color)   Actual size of 2.7ct Morganite (trillion cut, 11.16×11.16mm, Light Purple color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Violet 1ct Tourmaline (trillion cut, 7.65×7.65mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Purple 2.7ct Morganite (trillion cut, 11.16×11.16mm) 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
 46% vs 67%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1ct Tourmaline Trillion (7.65×7.65mm, Violet) and 2.7ct Morganite Trillion (11.16×11.16mm, 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, Tourmaline will face-up smaller than Morganite for a given carat weight, because it has higher specific gravity (3.06 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 Tourmaline (Trillion) 2.7 Ct Morganite (Trillion)
7.65×7.65 mm vs 11.16×11.16 mm
36.28 mm²   77.22 mm²
Face-up size outline for 2.7ct Morganite (11.16×11.16mm, trillion cut)
Face-up size outline for 1ct Tourmaline (7.65×7.65mm, trillion cut)
1ct Tourmaline Trillion (7.65×7.65mm)
2.7ct Morganite Trillion (11.16×11.16mm)
Difference: 113% (40.94 mm²)
2.7ct Morganite (Trillion, 11.16×11.16mm) has approx. 113% more face-up area than 1ct Tourmaline (Trillion, 7.65×7.65mm). In other words, it's 2.13x larger.


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