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6ct Diamond (Round, 11.81×11.81mm, White) vs 8ct Diamond (Round, 13×13mm, White)


Quick summary: When looked from above (face-up position), 8ct Diamond (13×13mm, round cut) appears 21% larger than 6ct Diamond (11.81×11.81mm, round cut). See below how they compare side-by-side on a ring and finger.

6ct Diamond (round cut)
vs
 8ct Diamond (round cut)
white
 
white
11.81×11.81 mm 13×13 mm
actual size
Actual size of 6ct Diamond (round cut, 11.81×11.81mm, White color)   Actual size of 8ct Diamond (round cut, 13×13mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 6ct Diamond (round cut, 11.81×11.81mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 8ct Diamond (round cut, 13×13mm) 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
 70% vs 77%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 6ct Diamond Round (11.81×11.81mm, White) and 8ct Diamond Round (13×13mm, 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.


6 Ct Diamond (Round) 8 Ct Diamond (Round)
11.81×11.81 mm vs 13×13 mm
109.54 mm²   132.73 mm²
Face-up size outline for 8ct Diamond (13×13mm, round cut)
Face-up size outline for 6ct Diamond (11.81×11.81mm, round cut)
6ct Diamond Round (11.81×11.81mm)
8ct Diamond Round (13×13mm)
Difference: 21% (23.19 mm²)
8ct Diamond (Round, 13×13mm) has approx. 21% more face-up area than 6ct Diamond (Round, 11.81×11.81mm).


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