×
carat vs. color  length*  width*
  ×

(or examine a )
* size in mm (optional)

15ct Peridot (Round, 15.66×15.66mm, Yellowish Green) vs 15ct Hiddenite (Round, 15.92×15.92mm, Light Green )


Quick summary: When looked from above (face-up position), 15ct Hiddenite (15.92×15.92mm, round cut) appears 3% larger than 15ct Peridot (15.66×15.66mm, round cut). See below how they compare side-by-side on a ring and finger.

15ct Peridot (round cut)
vs
 15ct Hiddenite (round cut)
yellowish green
 
light green
15.66×15.66 mm 15.92×15.92 mm
actual size
Actual size of 15ct Peridot (round cut, 15.66×15.66mm, Yellowish Green color)   Actual size of 15ct Hiddenite (round cut, 15.92×15.92mm, 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 15ct Peridot (round cut, 15.66×15.66mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Green 15ct Hiddenite (round cut, 15.92×15.92mm) 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
 93% vs 95%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 15ct Peridot Round (15.66×15.66mm, Yellowish Green) and 15ct Hiddenite Round (15.92×15.92mm, 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.


15 Ct Peridot (Round) 15 Ct Hiddenite (Round)
15.66×15.66 mm vs 15.92×15.92 mm
192.61 mm²   199.06 mm²
Face-up size outline for 15ct Hiddenite (15.92×15.92mm, round cut)
Face-up size outline for 15ct Peridot (15.66×15.66mm, round cut)
15ct Peridot Round (15.66×15.66mm)
15ct Hiddenite Round (15.92×15.92mm)
Difference: 3% (6.45 mm²)
15ct Hiddenite (Round, 15.92×15.92mm) has approx. 3% more face-up area than 15ct Peridot (Round, 15.66×15.66mm).


Popular comparisons: