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0.3ct Chrysoberyl (Cabochon, 4.7×3.13mm, Light Yellowish Green) vs 0.3ct Diamond (Cabochon, 4.79×3.19mm, White)


Quick summary: When looked from above (face-up position), 0.3ct Diamond (4.79×3.19mm, cabochon cut) appears 4% larger than 0.3ct Chrysoberyl (4.7×3.13mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

0.3ct Chrysoberyl (cabochon cut)
vs
 0.3ct Diamond (cabochon cut)
light yellowish green
 
white
4.7×3.13 mm 4.79×3.19 mm
actual size
Actual size of 0.3ct Chrysoberyl (cabochon cut, 4.7×3.13mm, Light Yellowish Green color)   Actual size of 0.3ct Diamond (cabochon cut, 4.79×3.19mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Yellowish Green 0.3ct Chrysoberyl (cabochon cut, 4.7×3.13mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.3ct Diamond (cabochon cut, 4.79×3.19mm) 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
 19% vs 19%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.3ct Chrysoberyl Cabochon (4.7×3.13mm, Light Yellowish Green) and 0.3ct Diamond Cabochon (4.79×3.19mm, 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, Chrysoberyl will face-up smaller than Diamond for a given carat weight, because it has higher specific gravity (3.73 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.


0.3 Ct Chrysoberyl (Cabochon) 0.3 Ct Diamond (Cabochon)
4.7×3.13 mm vs 4.79×3.19 mm
12.06 mm²   12.53 mm²
Face-up size outline for 0.3ct Diamond (4.79×3.19mm, cabochon cut)
Face-up size outline for 0.3ct Chrysoberyl (4.7×3.13mm, cabochon cut)
0.3ct Chrysoberyl Cabochon (4.7×3.13mm)
0.3ct Diamond Cabochon (4.79×3.19mm)
Difference: 4% (0.47 mm²)
0.3ct Diamond (Cabochon, 4.79×3.19mm) has approx. 4% more face-up area than 0.3ct Chrysoberyl (Cabochon, 4.7×3.13mm).


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