×
carat vs. color  length*  width*
  ×

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

0.77ct Tanzanite (Oval, 7.4×4.93mm, Blue) vs 0.82ct Tanzanite (Round, 5.97×5.97mm, Blue)


Quick summary: When looked from above (face-up position), 0.77ct Tanzanite (7.4×4.93mm, oval cut) appears 7% larger than 0.82ct Tanzanite (5.97×5.97mm, round cut). See below how they compare side-by-side on a ring and finger.

0.77ct Tanzanite (oval cut)
vs
 0.82ct Tanzanite (round cut)
blue
 
blue
7.4×4.93 mm 5.97×5.97 mm
actual size
Actual size of 0.77ct Tanzanite (oval cut, 7.4×4.93mm, Blue color)   Actual size of 0.82ct Tanzanite (round cut, 5.97×5.97mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 0.77ct Tanzanite (oval cut, 7.4×4.93mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.82ct Tanzanite (round cut, 5.97×5.97mm) 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
 30% vs 36%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.77ct Tanzanite Oval (7.4×4.93mm, Blue) and 0.82ct Tanzanite Round (5.97×5.97mm, 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.


0.77 Ct Tanzanite (Oval) 0.82 Ct Tanzanite (Round)
7.4×4.93 mm vs 5.97×5.97 mm
29.92 mm²   27.99 mm²
Face-up size outline for 0.77ct Tanzanite (7.4×4.93mm, oval cut)
Face-up size outline for 0.82ct Tanzanite (5.97×5.97mm, round cut)
0.77ct Tanzanite Oval (7.4×4.93mm)
0.82ct Tanzanite Round (5.97×5.97mm)
Difference: 7% (1.93 mm²)
0.77ct Tanzanite (Oval, 7.4×4.93mm) has approx. 7% more face-up area than 0.82ct Tanzanite (Round, 5.97×5.97mm).


Popular comparisons: