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0.5ct Topaz (Round, 5×5mm, Blue) vs 1ct Topaz (Oval, 7×5mm, Blue)


Quick summary: When looked from above (face-up position), 1ct Topaz (7×5mm, oval cut) appears 46% larger than 0.5ct Topaz (5×5mm, round cut). See below how they compare side-by-side on a ring and finger.

0.5ct Topaz (round cut)
vs
1ct Topaz (oval cut)
blue
 
blue
5×5 mm 7×5 mm
actual size
Actual size of 0.5ct Topaz (round cut, 5×5mm, Blue color)   Actual size of 1ct Topaz (oval cut, 7×5mm, Blue color)
 
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Ring: Skin tone:
Ring width: 3.0 mm
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Left finger image
Ring on left finger
Blue 0.5ct Topaz (round cut, 5×5mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1ct Topaz (oval cut, 7×5mm) 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
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Ring diameter: 16.9 mm
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Actual sizes of 0.5ct Topaz Round (5×5mm, Blue) and 1ct Topaz Oval (7×5mm, 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.


0.5 Ct Topaz (Round) 1 Ct Topaz (Oval)
5×5 mm vs 7×5 mm
19.63 mm²   28.7 mm²
Face-up size outline for 1ct Topaz (7×5mm, oval cut)
Face-up size outline for 0.5ct Topaz (5×5mm, round cut)
0.5ct Topaz Round (5×5mm)
1ct Topaz Oval (7×5mm)
Difference: 46% (9.07 mm²)
1ct Topaz Oval (7×5mm) has approx. 46% more face-up area than 0.5ct Topaz Round (5×5mm).


Popular comparisons:

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Actual size is currently adjusted to screen.

If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.