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1ct Topaz (Round, 6.23×6.23mm, Dark Bluish Green) vs 0.8ct Topaz (Round, 5.79×5.79mm, Dark Bluish Green)


Quick summary: When looked from above (face-up position), 1ct Topaz (6.23×6.23mm, round cut) appears 16% larger than 0.8ct Topaz (5.79×5.79mm, round cut). See below how they compare side-by-side on a ring and finger.

1ct Topaz (round cut)
vs
 0.8ct Topaz (round cut)
dark bluish green
 
dark bluish green
6.23×6.23 mm 5.79×5.79 mm
actual size
Actual size of 1ct Topaz (round cut, 6.23×6.23mm, Dark Bluish Green color)   Actual size of 0.8ct Topaz (round cut, 5.79×5.79mm, Dark Bluish Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Dark Bluish Green 1ct Topaz (round cut, 6.23×6.23mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Dark Bluish Green 0.8ct Topaz (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
 37% vs 35%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1ct Topaz Round (6.23×6.23mm, Dark Bluish Green) and 0.8ct Topaz Round (5.79×5.79mm, Dark Bluish Green) 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 Ct Topaz (Round) 0.8 Ct Topaz (Round)
6.23×6.23 mm vs 5.79×5.79 mm
30.48 mm²   26.33 mm²
Face-up size outline for 1ct Topaz (6.23×6.23mm, round cut)
Face-up size outline for 0.8ct Topaz (5.79×5.79mm, round cut)
1ct Topaz Round (6.23×6.23mm)
0.8ct Topaz Round (5.79×5.79mm)
Difference: 16% (4.15 mm²)
1ct Topaz (Round, 6.23×6.23mm) has approx. 16% more face-up area than 0.8ct Topaz (Round, 5.79×5.79mm).


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