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40ct Hiddenite (Pear, 31.39×18.91mm, Light Green ) vs 40ct Diopside (Pear, 31.01×18.68mm, Green)


Quick summary: When looked from above (face-up position), 40ct Hiddenite (31.39×18.91mm, pear cut) appears 2% larger than 40ct Diopside (31.01×18.68mm, pear cut). See below how they compare side-by-side on a ring and finger.

40ct Hiddenite (pear cut)
vs
 40ct Diopside (pear cut)
light green
 
green
31.39×18.91 mm 31.01×18.68 mm
actual size
Actual size of 40ct Hiddenite (pear cut, 31.39×18.91mm, Light Green color)   Actual size of 40ct Diopside (pear cut, 31.01×18.68mm, Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Green 40ct Hiddenite (pear cut, 31.39×18.91mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 40ct Diopside (pear cut, 31.01×18.68mm) 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
 112% vs 111%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 40ct Hiddenite Pear (31.39×18.91mm, Light Green ) and 40ct Diopside Pear (31.01×18.68mm, Green) 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, Diopside will face-up smaller than Hiddenite for a given carat weight, because it has higher specific gravity (3.3 vs. 3.18 - this means it's "heavier" compared to Hiddenite 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.


40 Ct Hiddenite (Pear) 40 Ct Diopside (Pear)
31.39×18.91 mm vs 31.01×18.68 mm
433.32 mm²   422.86 mm²
Face-up size outline for 40ct Hiddenite (31.39×18.91mm, pear cut)
Face-up size outline for 40ct Diopside (31.01×18.68mm, pear cut)
40ct Hiddenite Pear (31.39×18.91mm)
40ct Diopside Pear (31.01×18.68mm)
Difference: 2% (10.46 mm²)
40ct Hiddenite (Pear, 31.39×18.91mm) has approx. 2% more face-up area than 40ct Diopside (Pear, 31.01×18.68mm).


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