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0.1ct Sapphire (Round, 2.77×2.77mm, Yellow) vs 1ct Zircon (Round, 5.69×5.69mm, Orange)


Quick summary: When looked from above (face-up position), 1ct Zircon (5.69×5.69mm, round cut) appears 4.2 times larger than 0.1ct Sapphire (2.77×2.77mm, round cut). See below how they compare side-by-side on a ring and finger.

0.1ct Sapphire (round cut)
vs
 1ct Zircon (round cut)
yellow
 
orange
2.77×2.77 mm 5.69×5.69 mm
actual size
Actual size of 0.1ct Sapphire (round cut, 2.77×2.77mm, Yellow color)   Actual size of 1ct Zircon (round cut, 5.69×5.69mm, Orange color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Yellow 0.1ct Sapphire (round cut, 2.77×2.77mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orange 1ct Zircon (round cut, 5.69×5.69mm) 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
 17% vs 34%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.1ct Sapphire Round (2.77×2.77mm, Yellow) and 1ct Zircon Round (5.69×5.69mm, Orange) 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, Zircon will face-up smaller than Sapphire for a given carat weight, because it has higher specific gravity (4.7 vs. 4 - this means it's "heavier" compared to Sapphire 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.


0.1 Ct Sapphire (Round) 1 Ct Zircon (Round)
2.77×2.77 mm vs 5.69×5.69 mm
6.03 mm²   25.43 mm²
Face-up size outline for 1ct Zircon (5.69×5.69mm, round cut)
Face-up size outline for 0.1ct Sapphire (2.77×2.77mm, round cut)
0.1ct Sapphire Round (2.77×2.77mm)
1ct Zircon Round (5.69×5.69mm)
Difference: 322% (19.4 mm²)
1ct Zircon (Round, 5.69×5.69mm) has approx. 322% more face-up area than 0.1ct Sapphire (Round, 2.77×2.77mm). In other words, it's 4.22x larger.


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