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1.25ct Tanzanite (Round, 6.87×6.87mm, Blue) vs 0.75ct Tanzanite (Round, 5.79×5.79mm, Blue)


Quick summary: When looked from above (face-up position), 1.25ct Tanzanite (6.87×6.87mm, round cut) appears 41% larger than 0.75ct Tanzanite (5.79×5.79mm, round cut). See below how they compare side-by-side on a ring and finger.

1.25ct Tanzanite (round cut)
vs
 0.75ct Tanzanite (round cut)
blue
 
blue
6.87×6.87 mm 5.79×5.79 mm
actual size
Actual size of 1.25ct Tanzanite (round cut, 6.87×6.87mm, Blue color)   Actual size of 0.75ct Tanzanite (round cut, 5.79×5.79mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.25ct Tanzanite (round cut, 6.87×6.87mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.75ct Tanzanite (round cut, 5.79×5.79mm) 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
 41% vs 35%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.25ct Tanzanite Round (6.87×6.87mm, Blue) and 0.75ct Tanzanite Round (5.79×5.79mm, 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.


1.25 Ct Tanzanite (Round) 0.75 Ct Tanzanite (Round)
6.87×6.87 mm vs 5.79×5.79 mm
37.07 mm²   26.33 mm²
Face-up size outline for 1.25ct Tanzanite (6.87×6.87mm, round cut)
Face-up size outline for 0.75ct Tanzanite (5.79×5.79mm, round cut)
1.25ct Tanzanite Round (6.87×6.87mm)
0.75ct Tanzanite Round (5.79×5.79mm)
Difference: 41% (10.74 mm²)
1.25ct Tanzanite (Round, 6.87×6.87mm) has approx. 41% more face-up area than 0.75ct Tanzanite (Round, 5.79×5.79mm).


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