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8.5ct Diamond (Marquise, 21.2×10.6mm, White) vs 8.5ct Diamond (Pear, 18.46×11.12mm, White)


Quick summary: When looked from above (face-up position), 8.5ct Diamond (21.2×10.6mm, marquise cut) appears 6% larger than 8.5ct Diamond (18.46×11.12mm, pear cut). See below how they compare side-by-side on a ring and finger.

8.5ct Diamond (marquise cut)
vs
 8.5ct Diamond (pear cut)
white
 
white
21.2×10.6 mm 18.46×11.12 mm
actual size
Actual size of 8.5ct Diamond (marquise cut, 21.2×10.6mm, White color)   Actual size of 8.5ct Diamond (pear cut, 18.46×11.12mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 8.5ct Diamond (marquise cut, 21.2×10.6mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 8.5ct Diamond (pear cut, 18.46×11.12mm) 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
 63% vs 66%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 8.5ct Diamond Marquise (21.2×10.6mm, White) and 8.5ct Diamond Pear (18.46×11.12mm, 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.


8.5 Ct Diamond (Marquise) 8.5 Ct Diamond (Pear)
21.2×10.6 mm vs 18.46×11.12 mm
159.55 mm²   149.85 mm²
Face-up size outline for 8.5ct Diamond (21.2×10.6mm, marquise cut)
Face-up size outline for 8.5ct Diamond (18.46×11.12mm, pear cut)
8.5ct Diamond Marquise (21.2×10.6mm)
8.5ct Diamond Pear (18.46×11.12mm)
Difference: 6% (9.7 mm²)
8.5ct Diamond (Marquise, 21.2×10.6mm) has approx. 6% more face-up area than 8.5ct Diamond (Pear, 18.46×11.12mm).


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