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18ct Diamond (Round, 17.03×17.03mm, White) vs 0.16ct Diamond (Round, 3.53×3.53mm, White)


Quick summary: When looked from above (face-up position), 18ct Diamond (17.03×17.03mm, round cut) appears 23.3 times larger than 0.16ct Diamond (3.53×3.53mm, round cut). See below how they compare side-by-side on a ring and finger.

18ct Diamond (round cut)
vs
 0.16ct Diamond (round cut)
white
 
white
17.03×17.03 mm 3.53×3.53 mm
actual size
Actual size of 18ct Diamond (round cut, 17.03×17.03mm, White color)   Actual size of 0.16ct Diamond (round cut, 3.53×3.53mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 18ct Diamond (round cut, 17.03×17.03mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.16ct Diamond (round cut, 3.53×3.53mm) 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
 101% vs 21%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 18ct Diamond Round (17.03×17.03mm, White) and 0.16ct Diamond Round (3.53×3.53mm, 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.


18 Ct Diamond (Round) 0.16 Ct Diamond (Round)
17.03×17.03 mm vs 3.53×3.53 mm
227.78 mm²   9.79 mm²
Face-up size outline for 18ct Diamond (17.03×17.03mm, round cut)
Face-up size outline for 0.16ct Diamond (3.53×3.53mm, round cut)
18ct Diamond Round (17.03×17.03mm)
0.16ct Diamond Round (3.53×3.53mm)
Difference: 2227% (217.99 mm²)
18ct Diamond (Round, 17.03×17.03mm) has approx. 2227% more face-up area than 0.16ct Diamond (Round, 3.53×3.53mm). In other words, it's 23.27x larger.


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