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2ct Tanzanite (Emerald, 8.57×6.35mm, Blue) vs 4ct Tanzanite (Emerald, 10.81×8.01mm, Blue)


Quick summary: When looked from above (face-up position), 4ct Tanzanite (10.81×8.01mm, emerald cut) appears 59% larger than 2ct Tanzanite (8.57×6.35mm, emerald cut). See below how they compare side-by-side on a ring and finger.

2ct Tanzanite (emerald cut)
vs
 4ct Tanzanite (emerald cut)
blue
 
blue
8.57×6.35 mm 10.81×8.01 mm
actual size
Actual size of 2ct Tanzanite (emerald cut, 8.57×6.35mm, Blue color)   Actual size of 4ct Tanzanite (emerald cut, 10.81×8.01mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 2ct Tanzanite (emerald cut, 8.57×6.35mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 4ct Tanzanite (emerald cut, 10.81×8.01mm) 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
 38% vs 48%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 2ct Tanzanite Emerald (8.57×6.35mm, Blue) and 4ct Tanzanite Emerald (10.81×8.01mm, 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.


2 Ct Tanzanite (Emerald) 4 Ct Tanzanite (Emerald)
8.57×6.35 mm vs 10.81×8.01 mm
50.61 mm²   80.53 mm²
Face-up size outline for 4ct Tanzanite (10.81×8.01mm, emerald cut)
Face-up size outline for 2ct Tanzanite (8.57×6.35mm, emerald cut)
2ct Tanzanite Emerald (8.57×6.35mm)
4ct Tanzanite Emerald (10.81×8.01mm)
Difference: 59% (29.92 mm²)
4ct Tanzanite (Emerald, 10.81×8.01mm) has approx. 59% more face-up area than 2ct Tanzanite (Emerald, 8.57×6.35mm).


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