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22ct Sapphire (Round, 16.75×16.75mm, Blue) vs 22ct Fluorite (Round, 18.08×18.08mm, Bluish Green)


Quick summary: When looked from above (face-up position), 22ct Fluorite (18.08×18.08mm, round cut) appears 17% larger than 22ct Sapphire (16.75×16.75mm, round cut). See below how they compare side-by-side on a ring and finger.

22ct Sapphire (round cut)
vs
 22ct Fluorite (round cut)
blue
 
bluish green
16.75×16.75 mm 18.08×18.08 mm
actual size
Actual size of 22ct Sapphire (round cut, 16.75×16.75mm, Blue color)   Actual size of 22ct Fluorite (round cut, 18.08×18.08mm, Bluish Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 22ct Sapphire (round cut, 16.75×16.75mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 22ct Fluorite (round cut, 18.08×18.08mm) 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
 100% vs 107%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 22ct Sapphire Round (16.75×16.75mm, Blue) and 22ct Fluorite Round (18.08×18.08mm, 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

All things being equal, Sapphire will face-up smaller than Fluorite for a given carat weight, because it has higher specific gravity (4 vs. 3.18 - this means it's "heavier" compared to Fluorite 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.


22 Ct Sapphire (Round) 22 Ct Fluorite (Round)
16.75×16.75 mm vs 18.08×18.08 mm
220.35 mm²   256.74 mm²
Face-up size outline for 22ct Fluorite (18.08×18.08mm, round cut)
Face-up size outline for 22ct Sapphire (16.75×16.75mm, round cut)
22ct Sapphire Round (16.75×16.75mm)
22ct Fluorite Round (18.08×18.08mm)
Difference: 17% (36.39 mm²)
22ct Fluorite (Round, 18.08×18.08mm) has approx. 17% more face-up area than 22ct Sapphire (Round, 16.75×16.75mm).


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