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5ct Peridot (Cushion, 10.14×10.14mm, Yellowish Green) vs 0.7ct Diamond (Round, 5.77×5.77mm, White)


Quick summary: When looked from above (face-up position), 5ct Peridot (10.14×10.14mm, cushion cut) appears 3.5 times larger than 0.7ct Diamond (5.77×5.77mm, round cut). See below how they compare side-by-side on a ring and finger.

5ct Peridot (cushion cut)
vs
 0.7ct Diamond (round cut)
yellowish green
 
white
10.14×10.14 mm 5.77×5.77 mm
actual size
Actual size of 5ct Peridot (cushion cut, 10.14×10.14mm, Yellowish Green color)   Actual size of 0.7ct Diamond (round cut, 5.77×5.77mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Yellowish Green 5ct Peridot (cushion cut, 10.14×10.14mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.7ct Diamond (round cut, 5.77×5.77mm) 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
 61% vs 35%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5ct Peridot Cushion (10.14×10.14mm, Yellowish Green) and 0.7ct Diamond Round (5.77×5.77mm, White) 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, Diamond will face-up smaller than Peridot for a given carat weight, because it has higher specific gravity (3.52 vs. 3.34 - this means it's "heavier" compared to Peridot 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.


5 Ct Peridot (Cushion) 0.7 Ct Diamond (Round)
10.14×10.14 mm vs 5.77×5.77 mm
92.54 mm²   26.15 mm²
Face-up size outline for 5ct Peridot (10.14×10.14mm, cushion cut)
Face-up size outline for 0.7ct Diamond (5.77×5.77mm, round cut)
5ct Peridot Cushion (10.14×10.14mm)
0.7ct Diamond Round (5.77×5.77mm)
Difference: 254% (66.39 mm²)
5ct Peridot (Cushion, 10.14×10.14mm) has approx. 254% more face-up area than 0.7ct Diamond (Round, 5.77×5.77mm). In other words, it's 3.54x larger.


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