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20ct Peridot (Cabochon, 19.73×13.15mm, Yellowish Green) vs 20ct Hiddenite (Cabochon, 20.06×13.37mm, Light Green )


Quick summary: When looked from above (face-up position), 20ct Hiddenite (20.06×13.37mm, cabochon cut) appears 3% larger than 20ct Peridot (19.73×13.15mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

20ct Peridot (cabochon cut)
vs
 20ct Hiddenite (cabochon cut)
yellowish green
 
light green
19.73×13.15 mm 20.06×13.37 mm
actual size
Actual size of 20ct Peridot (cabochon cut, 19.73×13.15mm, Yellowish Green color)   Actual size of 20ct Hiddenite (cabochon cut, 20.06×13.37mm, Light Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Yellowish Green 20ct Peridot (cabochon cut, 19.73×13.15mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Green 20ct Hiddenite (cabochon cut, 20.06×13.37mm) 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
 78% vs 80%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 20ct Peridot Cabochon (19.73×13.15mm, Yellowish Green) and 20ct Hiddenite Cabochon (20.06×13.37mm, Light 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, Peridot will face-up smaller than Hiddenite for a given carat weight, because it has higher specific gravity (3.34 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.


20 Ct Peridot (Cabochon) 20 Ct Hiddenite (Cabochon)
19.73×13.15 mm vs 20.06×13.37 mm
212.75 mm²   219.93 mm²
Face-up size outline for 20ct Hiddenite (20.06×13.37mm, cabochon cut)
Face-up size outline for 20ct Peridot (19.73×13.15mm, cabochon cut)
20ct Peridot Cabochon (19.73×13.15mm)
20ct Hiddenite Cabochon (20.06×13.37mm)
Difference: 3% (7.18 mm²)
20ct Hiddenite (Cabochon, 20.06×13.37mm) has approx. 3% more face-up area than 20ct Peridot (Cabochon, 19.73×13.15mm).


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