×
carat vs. color  length*  width*
  ×

(or examine a )
* size in mm (optional)

0.9ct Tanzanite (Round, 6.15×6.15mm, Blue) vs 0.5ct Tanzanite (Round, 5.06×5.06mm, Blue)


Quick summary: When looked from above (face-up position), 0.9ct Tanzanite (6.15×6.15mm, round cut) appears 48% larger than 0.5ct Tanzanite (5.06×5.06mm, round cut). See below how they compare side-by-side on a ring and finger.

0.9ct Tanzanite (round cut)
vs
0.5ct Tanzanite (round cut)
blue
 
blue
6.15×6.15 mm 5.06×5.06 mm
actual size
Actual size of 0.9ct Tanzanite (round cut, 6.15×6.15mm, Blue color)   Actual size of 0.5ct Tanzanite (round cut, 5.06×5.06mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 0.9ct Tanzanite (round cut, 6.15×6.15mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.5ct Tanzanite (round cut, 5.06×5.06mm) 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
37% vs 30%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.9ct Tanzanite Round (6.15×6.15mm, Blue) and 0.5ct Tanzanite Round (5.06×5.06mm, 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.


0.9 Ct Tanzanite (Round) 0.5 Ct Tanzanite (Round)
6.15×6.15 mm vs 5.06×5.06 mm
29.71 mm²   20.11 mm²
Face-up size outline for 0.9ct Tanzanite (6.15×6.15mm, round cut)
Face-up size outline for 0.5ct Tanzanite (5.06×5.06mm, round cut)
0.9ct Tanzanite Round (6.15×6.15mm)
0.5ct Tanzanite Round (5.06×5.06mm)
Difference: 48% (9.6 mm²)
0.9ct Tanzanite (Round, 6.15×6.15mm) has approx. 48% more face-up area than 0.5ct Tanzanite (Round, 5.06×5.06mm).


Popular comparisons: