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1.71ct Diamond (Round, 7.77×7.77mm, White) vs 22ct Diamond (Round, 18.21×18.21mm, White)


Quick summary: When looked from above (face-up position), 22ct Diamond (18.21×18.21mm, round cut) appears 5.5 times larger than 1.71ct Diamond (7.77×7.77mm, round cut). See below how they compare side-by-side on a ring and finger.

1.71ct Diamond (round cut)
vs
 22ct Diamond (round cut)
white
 
white
7.77×7.77 mm 18.21×18.21 mm
actual size
Actual size of 1.71ct Diamond (round cut, 7.77×7.77mm, White color)   Actual size of 22ct Diamond (round cut, 18.21×18.21mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 1.71ct Diamond (round cut, 7.77×7.77mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 22ct Diamond (round cut, 18.21×18.21mm) 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
 46% vs 108%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1.71ct Diamond Round (7.77×7.77mm, White) and 22ct Diamond Round (18.21×18.21mm, 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

The face-up size depends on the shape of the gem, its weight and 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.


1.71 Ct Diamond (Round) 22 Ct Diamond (Round)
7.77×7.77 mm vs 18.21×18.21 mm
47.42 mm²   260.44 mm²
Face-up size outline for 22ct Diamond (18.21×18.21mm, round cut)
Face-up size outline for 1.71ct Diamond (7.77×7.77mm, round cut)
1.71ct Diamond Round (7.77×7.77mm)
22ct Diamond Round (18.21×18.21mm)
Difference: 449% (213.02 mm²)
22ct Diamond (Round, 18.21×18.21mm) has approx. 449% more face-up area than 1.71ct Diamond (Round, 7.77×7.77mm). In other words, it's 5.49x larger.


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