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0.5ct Cubic Zirconia (Baguette, 4.91×3.27mm, White) vs 0.5ct Diamond (Baguette, 5.75×3.83mm, White)


Quick summary: When looked from above (face-up position), 0.5ct Diamond (5.75×3.83mm, baguette cut) appears 37% larger than 0.5ct Cubic Zirconia (4.91×3.27mm, baguette cut). See below how they compare side-by-side on a ring and finger.

0.5ct Cubic Zirconia (baguette cut)
vs
0.5ct Diamond (baguette cut)
white
 
white
4.91×3.27 mm 5.75×3.83 mm
actual size
Actual size of 0.5ct Cubic Zirconia (baguette cut, 4.91×3.27mm, White color)   Actual size of 0.5ct Diamond (baguette cut, 5.75×3.83mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 0.5ct Cubic Zirconia (baguette cut, 4.91×3.27mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.5ct Diamond (baguette cut, 5.75×3.83mm) 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
20% vs 23%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.5ct Cubic Zirconia Baguette (4.91×3.27mm, White) and 0.5ct Diamond Baguette (5.75×3.83mm, White) 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

All things being equal, Cubic Zirconia will face-up smaller than Diamond for a given carat weight, because it has higher specific gravity (5.65 vs. 3.52 - this means it's "heavier" compared to Diamond of the same size). Face-up size also depends heavily on 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 Cubic Zirconia (Baguette) 0.5 Ct Diamond (Baguette)
4.91×3.27 mm vs 5.75×3.83 mm
16.06 mm²   22.02 mm²
Face-up size outline for 0.5ct Diamond (5.75×3.83mm, baguette cut)
Face-up size outline for 0.5ct Cubic Zirconia (4.91×3.27mm, baguette cut)
0.5ct Cubic Zirconia Baguette (4.91×3.27mm)
0.5ct Diamond Baguette (5.75×3.83mm)
Difference: 37% (5.96 mm²)
0.5ct Diamond (Baguette, 5.75×3.83mm) has approx. 37% more face-up area than 0.5ct Cubic Zirconia (Baguette, 4.91×3.27mm).


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