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30ct Diamond (Oval, 25.22×16.81mm, White) vs 5ct Diamond (Trillion, 13.23×13.23mm, White)


Quick summary: When looked from above (face-up position), 30ct Diamond (25.22×16.81mm, oval cut) appears 3.2 times larger than 5ct Diamond (13.23×13.23mm, trillion cut). See below how they compare side-by-side on a ring and finger.

30ct Diamond (oval cut)
vs
5ct Diamond (trillion cut)
white
 
white
25.22×16.81 mm 13.23×13.23 mm
actual size
Actual size of 30ct Diamond (oval cut, 25.22×16.81mm, White color)   Actual size of 5ct Diamond (trillion cut, 13.23×13.23mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 30ct Diamond (oval cut, 25.22×16.81mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 5ct Diamond (trillion cut, 13.23×13.23mm) 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
100% vs 79%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 30ct Diamond Oval (25.22×16.81mm, White) and 5ct Diamond Trillion (13.23×13.23mm, 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.


30 Ct Diamond (Oval) 5 Ct Diamond (Trillion)
25.22×16.81 mm vs 13.23×13.23 mm
347.64 mm²   108.52 mm²
Face-up size outline for 30ct Diamond (25.22×16.81mm, oval cut)
Face-up size outline for 5ct Diamond (13.23×13.23mm, trillion cut)
30ct Diamond Oval (25.22×16.81mm)
5ct Diamond Trillion (13.23×13.23mm)
Difference: 220% (239.12 mm²)
30ct Diamond (Oval, 25.22×16.81mm) has approx. 220% more face-up area than 5ct Diamond (Trillion, 13.23×13.23mm). In other words, it's 3.2x larger.


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