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0.9ct Morganite (Pear, 9.15×5.51mm, Light Purple) vs 1ct Diamond (Round, 6.5×6.5mm, White)


Quick summary: When looked from above (face-up position), 0.9ct Morganite (9.15×5.51mm, pear cut) appears 11% larger than 1ct Diamond (6.5×6.5mm, round cut). See below how they compare side-by-side on a ring and finger.

0.9ct Morganite (pear cut)
vs
 1ct Diamond (round cut)
light purple
 
white
9.15×5.51 mm 6.5×6.5 mm
actual size
Actual size of 0.9ct Morganite (pear cut, 9.15×5.51mm, Light Purple color)   Actual size of 1ct Diamond (round cut, 6.5×6.5mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Purple 0.9ct Morganite (pear cut, 9.15×5.51mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 1ct Diamond (round cut, 6.5×6.5mm) 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
 33% vs 39%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.9ct Morganite Pear (9.15×5.51mm, Light Purple) and 1ct Diamond Round (6.5×6.5mm, White) 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, Diamond will face-up smaller than Morganite for a given carat weight, because it has higher specific gravity (3.52 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.


0.9 Ct Morganite (Pear) 1 Ct Diamond (Round)
9.15×5.51 mm vs 6.5×6.5 mm
36.8 mm²   33.18 mm²
Face-up size outline for 0.9ct Morganite (9.15×5.51mm, pear cut)
Face-up size outline for 1ct Diamond (6.5×6.5mm, round cut)
0.9ct Morganite Pear (9.15×5.51mm)
1ct Diamond Round (6.5×6.5mm)
Difference: 11% (3.62 mm²)
0.9ct Morganite (Pear, 9.15×5.51mm) has approx. 11% more face-up area than 1ct Diamond (Round, 6.5×6.5mm).


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