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28ct Hiddenite (Marquise, 31.88×15.94mm, Light Green ) vs 28ct Diopside (Marquise, 31.48×15.74mm, Green)


Quick summary: When looked from above (face-up position), 28ct Hiddenite (31.88×15.94mm, marquise cut) appears 3% larger than 28ct Diopside (31.48×15.74mm, marquise cut). See below how they compare side-by-side on a ring and finger.

28ct Hiddenite (marquise cut)
vs
 28ct Diopside (marquise cut)
light green
 
green
31.88×15.94 mm 31.48×15.74 mm
actual size
Actual size of 28ct Hiddenite (marquise cut, 31.88×15.94mm, Light Green color)   Actual size of 28ct Diopside (marquise cut, 31.48×15.74mm, 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 28ct Hiddenite (marquise cut, 31.88×15.94mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 28ct Diopside (marquise cut, 31.48×15.74mm) 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
 95% vs 94%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 28ct Hiddenite Marquise (31.88×15.94mm, Light Green ) and 28ct Diopside Marquise (31.48×15.74mm, 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.


28 Ct Hiddenite (Marquise) 28 Ct Diopside (Marquise)
31.88×15.94 mm vs 31.48×15.74 mm
360.8 mm²   351.8 mm²
Face-up size outline for 28ct Hiddenite (31.88×15.94mm, marquise cut)
Face-up size outline for 28ct Diopside (31.48×15.74mm, marquise cut)
28ct Hiddenite Marquise (31.88×15.94mm)
28ct Diopside Marquise (31.48×15.74mm)
Difference: 3% (9 mm²)
28ct Hiddenite (Marquise, 31.88×15.94mm) has approx. 3% more face-up area than 28ct Diopside (Marquise, 31.48×15.74mm).


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