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22ct Hiddenite (Heart, 18.93×18.93mm, Light Green ) vs 22ct Diopside (Heart, 18.7×18.7mm, Green)


Quick summary: When looked from above (face-up position), 22ct Hiddenite (18.93×18.93mm, heart cut) appears 2% larger than 22ct Diopside (18.7×18.7mm, heart cut). See below how they compare side-by-side on a ring and finger.

22ct Hiddenite (heart cut)
vs
22ct Diopside (heart cut)
light green
 
green
18.93×18.93 mm 18.7×18.7 mm
actual size
Actual size of 22ct Hiddenite (heart cut, 18.93×18.93mm, Light Green  color)   Actual size of 22ct Diopside (heart cut, 18.7×18.7mm, 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  22ct Hiddenite (heart cut, 18.93×18.93mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 22ct Diopside (heart cut, 18.7×18.7mm) 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
113% vs 111%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 22ct Hiddenite Heart (18.93×18.93mm, Light Green ) and 22ct Diopside Heart (18.7×18.7mm, 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.


22 Ct Hiddenite (Heart) 22 Ct Diopside (Heart)
18.93×18.93 mm vs 18.7×18.7 mm
258.01 mm²   251.78 mm²
Face-up size outline for 22ct Hiddenite (18.93×18.93mm, heart cut)
Face-up size outline for 22ct Diopside (18.7×18.7mm, heart cut)
22ct Hiddenite Heart (18.93×18.93mm)
22ct Diopside Heart (18.7×18.7mm)
Difference: 2% (6.23 mm²)
22ct Hiddenite (Heart, 18.93×18.93mm) has approx. 2% more face-up area than 22ct Diopside (Heart, 18.7×18.7mm).


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