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2.4ct Diamond (Round, 8.7×8.7mm, White) vs 3.7ct Diamond (Round, 9.8×9.8mm, White)


Quick summary: When looked from above (face-up position), 3.7ct Diamond (9.8×9.8mm, round cut) appears 27% larger than 2.4ct Diamond (8.7×8.7mm, round cut). See below how they compare side-by-side on a ring and finger.

2.4ct Diamond (round cut)
vs
 3.7ct Diamond (round cut)
white
 
white
8.7×8.7 mm 9.8×9.8 mm
actual size
Actual size of 2.4ct Diamond (round cut, 8.7×8.7mm, White color)   Actual size of 3.7ct Diamond (round cut, 9.8×9.8mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 2.4ct Diamond (round cut, 8.7×8.7mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 3.7ct Diamond (round cut, 9.8×9.8mm) 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
 52% vs 58%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 2.4ct Diamond Round (8.7×8.7mm, White) and 3.7ct Diamond Round (9.8×9.8mm, 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.


2.4 Ct Diamond (Round) 3.7 Ct Diamond (Round)
8.7×8.7 mm vs 9.8×9.8 mm
59.45 mm²   75.43 mm²
Face-up size outline for 3.7ct Diamond (9.8×9.8mm, round cut)
Face-up size outline for 2.4ct Diamond (8.7×8.7mm, round cut)
2.4ct Diamond Round (8.7×8.7mm)
3.7ct Diamond Round (9.8×9.8mm)
Difference: 27% (15.98 mm²)
3.7ct Diamond (Round, 9.8×9.8mm) has approx. 27% more face-up area than 2.4ct Diamond (Round, 8.7×8.7mm).


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