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12ct Hiddenite (Princess, 12.98×12.98mm, Light Green ) vs 12ct Diopside (Princess, 12.82×12.82mm, Green)


Quick summary: When looked from above (face-up position), 12ct Hiddenite (12.98×12.98mm, princess cut) appears 3% larger than 12ct Diopside (12.82×12.82mm, princess cut). See below how they compare side-by-side on a ring and finger.

12ct Hiddenite (princess cut)
vs
 12ct Diopside (princess cut)
light green
 
green
12.98×12.98 mm 12.82×12.82 mm
actual size
Actual size of 12ct Hiddenite (princess cut, 12.98×12.98mm, Light Green color)   Actual size of 12ct Diopside (princess cut, 12.82×12.82mm, 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 12ct Hiddenite (princess cut, 12.98×12.98mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 12ct Diopside (princess cut, 12.82×12.82mm) 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
 77% vs 76%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 12ct Hiddenite Princess (12.98×12.98mm, Light Green ) and 12ct Diopside Princess (12.82×12.82mm, 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.


12 Ct Hiddenite (Princess) 12 Ct Diopside (Princess)
12.98×12.98 mm vs 12.82×12.82 mm
168.48 mm²   164.35 mm²
Face-up size outline for 12ct Hiddenite (12.98×12.98mm, princess cut)
Face-up size outline for 12ct Diopside (12.82×12.82mm, princess cut)
12ct Hiddenite Princess (12.98×12.98mm)
12ct Diopside Princess (12.82×12.82mm)
Difference: 3% (4.13 mm²)
12ct Hiddenite (Princess, 12.98×12.98mm) has approx. 3% more face-up area than 12ct Diopside (Princess, 12.82×12.82mm).


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