×
carat vs. color  length*  width*
  ×

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

0.5ct Diamond (Trillion, 6.14×6.14mm, White) vs 3.49ct Tanzanite (Cushion, 9.04×9.04mm, Blue)


Quick summary: When looked from above (face-up position), 3.49ct Tanzanite (9.04×9.04mm, cushion cut) appears 3.2 times larger than 0.5ct Diamond (6.14×6.14mm, trillion cut). See below how they compare side-by-side on a ring and finger.

0.5ct Diamond (trillion cut)
vs
 3.49ct Tanzanite (cushion cut)
white
 
blue
6.14×6.14 mm 9.04×9.04 mm
actual size
Actual size of 0.5ct Diamond (trillion cut, 6.14×6.14mm, White color)   Actual size of 3.49ct Tanzanite (cushion cut, 9.04×9.04mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 0.5ct Diamond (trillion cut, 6.14×6.14mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 3.49ct Tanzanite (cushion cut, 9.04×9.04mm) 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 54%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.5ct Diamond Trillion (6.14×6.14mm, White) and 3.49ct Tanzanite Cushion (9.04×9.04mm, 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

All things being equal, Diamond will face-up smaller than Tanzanite for a given carat weight, because it has higher specific gravity (3.52 vs. 3.35 - this means it's "heavier" compared to Tanzanite of the same size). Face-up size also depends heavily on 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.


0.5 Ct Diamond (Trillion) 3.49 Ct Tanzanite (Cushion)
6.14×6.14 mm vs 9.04×9.04 mm
23.37 mm²   73.55 mm²
Face-up size outline for 3.49ct Tanzanite (9.04×9.04mm, cushion cut)
Face-up size outline for 0.5ct Diamond (6.14×6.14mm, trillion cut)
0.5ct Diamond Trillion (6.14×6.14mm)
3.49ct Tanzanite Cushion (9.04×9.04mm)
Difference: 215% (50.18 mm²)
3.49ct Tanzanite (Cushion, 9.04×9.04mm) has approx. 215% more face-up area than 0.5ct Diamond (Trillion, 6.14×6.14mm). In other words, it's 3.15x larger.


Popular comparisons: