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15ct Topaz (Emerald, 16.42×12.16mm, Blue) vs 4.5ct Topaz (Oval, 13.02×8.68mm, Blue)


Quick summary: When looked from above (face-up position), 15ct Topaz (16.42×12.16mm, emerald cut) appears 100% larger than 4.5ct Topaz (13.02×8.68mm, oval cut). See below how they compare side-by-side on a ring and finger.

15ct Topaz (emerald cut)
vs
4.5ct Topaz (oval cut)
blue
 
blue
16.42×12.16 mm 13.02×8.68 mm
actual size
Actual size of 15ct Topaz (emerald cut, 16.42×12.16mm, Blue color)   Actual size of 4.5ct Topaz (oval cut, 13.02×8.68mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 15ct Topaz (emerald cut, 16.42×12.16mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 4.5ct Topaz (oval cut, 13.02×8.68mm) 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
72% vs 52%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 15ct Topaz Emerald (16.42×12.16mm, Blue) and 4.5ct Topaz Oval (13.02×8.68mm, 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.


15 Ct Topaz (Emerald) 4.5 Ct Topaz (Oval)
16.42×12.16 mm vs 13.02×8.68 mm
185.69 mm²   92.67 mm²
Face-up size outline for 15ct Topaz (16.42×12.16mm, emerald cut)
Face-up size outline for 4.5ct Topaz (13.02×8.68mm, oval cut)
15ct Topaz Emerald (16.42×12.16mm)
4.5ct Topaz Oval (13.02×8.68mm)
Difference: 100% (93.02 mm²)
15ct Topaz (Emerald, 16.42×12.16mm) has approx. 100% more face-up area than 4.5ct Topaz (Oval, 13.02×8.68mm).


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