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30ct Hiddenite (Princess, 17.62×17.62mm, Light Green ) vs 30ct Diopside (Princess, 17.4×17.4mm, Green)


Quick summary: When looked from above (face-up position), 30ct Hiddenite (17.62×17.62mm, princess cut) appears 3% larger than 30ct Diopside (17.4×17.4mm, princess cut). See below how they compare side-by-side on a ring and finger.

30ct Hiddenite (princess cut)
vs
30ct Diopside (princess cut)
light green
 
green
17.62×17.62 mm 17.4×17.4 mm
actual size
Actual size of 30ct Hiddenite (princess cut, 17.62×17.62mm, Light Green  color)   Actual size of 30ct Diopside (princess cut, 17.4×17.4mm, 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  30ct Hiddenite (princess cut, 17.62×17.62mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 30ct Diopside (princess cut, 17.4×17.4mm) 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
105% vs 103%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 30ct Hiddenite Princess (17.62×17.62mm, Light Green ) and 30ct Diopside Princess (17.4×17.4mm, 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.


30 Ct Hiddenite (Princess) 30 Ct Diopside (Princess)
17.62×17.62 mm vs 17.4×17.4 mm
310.46 mm²   302.76 mm²
Face-up size outline for 30ct Hiddenite (17.62×17.62mm, princess cut)
Face-up size outline for 30ct Diopside (17.4×17.4mm, princess cut)
30ct Hiddenite Princess (17.62×17.62mm)
30ct Diopside Princess (17.4×17.4mm)
Difference: 3% (7.7 mm²)
30ct Hiddenite (Princess, 17.62×17.62mm) has approx. 3% more face-up area than 30ct Diopside (Princess, 17.4×17.4mm).


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