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5ct Tanzanite (Oval, 13.79×9.19mm, Blue) vs 4ct Tanzanite (Round, 10.12×10.12mm, Blue)


Quick summary: When looked from above (face-up position), 5ct Tanzanite (13.79×9.19mm, oval cut) appears 29% larger than 4ct Tanzanite (10.12×10.12mm, round cut). See below how they compare side-by-side on a ring and finger.

5ct Tanzanite (oval cut)
vs
 4ct Tanzanite (round cut)
blue
 
blue
13.79×9.19 mm 10.12×10.12 mm
actual size
Actual size of 5ct Tanzanite (oval cut, 13.79×9.19mm, Blue color)   Actual size of 4ct Tanzanite (round cut, 10.12×10.12mm, 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 (oval cut, 13.79×9.19mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 4ct Tanzanite (round cut, 10.12×10.12mm) 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
 55% vs 60%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5ct Tanzanite Oval (13.79×9.19mm, Blue) and 4ct Tanzanite Round (10.12×10.12mm, 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 (Oval) 4 Ct Tanzanite (Round)
13.79×9.19 mm vs 10.12×10.12 mm
103.92 mm²   80.44 mm²
Face-up size outline for 5ct Tanzanite (13.79×9.19mm, oval cut)
Face-up size outline for 4ct Tanzanite (10.12×10.12mm, round cut)
5ct Tanzanite Oval (13.79×9.19mm)
4ct Tanzanite Round (10.12×10.12mm)
Difference: 29% (23.48 mm²)
5ct Tanzanite (Oval, 13.79×9.19mm) has approx. 29% more face-up area than 4ct Tanzanite (Round, 10.12×10.12mm).


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