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5ct Tanzanite (Trillion, 12.81×12.81mm, Blue) vs 2.5ct Tanzanite (Trillion, 10.17×10.17mm, Blue)


Quick summary: When looked from above (face-up position), 5ct Tanzanite (12.81×12.81mm, trillion cut) appears 59% larger than 2.5ct Tanzanite (10.17×10.17mm, trillion cut). See below how they compare side-by-side on a ring and finger.

5ct Tanzanite (trillion cut)
vs
 2.5ct Tanzanite (trillion cut)
blue
 
blue
12.81×12.81 mm 10.17×10.17 mm
actual size
Actual size of 5ct Tanzanite (trillion cut, 12.81×12.81mm, Blue color)   Actual size of 2.5ct Tanzanite (trillion cut, 10.17×10.17mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 5ct Tanzanite (trillion cut, 12.81×12.81mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 2.5ct Tanzanite (trillion cut, 10.17×10.17mm) 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
 76% vs 61%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5ct Tanzanite Trillion (12.81×12.81mm, Blue) and 2.5ct Tanzanite Trillion (10.17×10.17mm, Blue) 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.


5 Ct Tanzanite (Trillion) 2.5 Ct Tanzanite (Trillion)
12.81×12.81 mm vs 10.17×10.17 mm
101.74 mm²   64.13 mm²
Face-up size outline for 5ct Tanzanite (12.81×12.81mm, trillion cut)
Face-up size outline for 2.5ct Tanzanite (10.17×10.17mm, trillion cut)
5ct Tanzanite Trillion (12.81×12.81mm)
2.5ct Tanzanite Trillion (10.17×10.17mm)
Difference: 59% (37.61 mm²)
5ct Tanzanite (Trillion, 12.81×12.81mm) has approx. 59% more face-up area than 2.5ct Tanzanite (Trillion, 10.17×10.17mm).


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