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3ct Tanzanite (Round, 9.19×9.19mm, Blue) vs 3ct Tanzanite (Round, 8.5×8.5mm, Blue)


Quick summary: When looked from above (face-up position), 3ct Tanzanite (9.19×9.19mm, round cut) appears 17% larger than 3ct Tanzanite (8.5×8.5mm, round cut). See below how they compare side-by-side on a ring and finger.

3ct Tanzanite (round cut)
vs
 3ct Tanzanite (round cut)
blue
 
blue
9.19×9.19 mm 8.5×8.5 mm
actual size
Actual size of 3ct Tanzanite (round cut, 9.19×9.19mm, Blue color)   Actual size of 3ct Tanzanite (round cut, 8.5×8.5mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 3ct Tanzanite (round cut, 9.19×9.19mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 3ct Tanzanite (round cut, 8.5×8.5mm) 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 51%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 3ct Tanzanite Round (9.19×9.19mm, Blue) and 3ct Tanzanite Round (8.5×8.5mm, 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.


3 Ct Tanzanite (Round) 3 Ct Tanzanite (Round)
9.19×9.19 mm vs 8.5×8.5 mm
66.33 mm²   56.75 mm²
Face-up size outline for 3ct Tanzanite (9.19×9.19mm, round cut)
Face-up size outline for 3ct Tanzanite (8.5×8.5mm, round cut)
3ct Tanzanite Round (9.19×9.19mm)
3ct Tanzanite Round (8.5×8.5mm)
Difference: 17% (9.58 mm²)
3ct Tanzanite (Round, 9.19×9.19mm) has approx. 17% more face-up area than 3ct Tanzanite (Round, 8.5×8.5mm).


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