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19ct Titanite (Round, 16.63×16.63mm, Yellowish Green) vs 19ct Apatite (Round, 17.18×17.18mm, Green)


Quick summary: When looked from above (face-up position), 19ct Apatite (17.18×17.18mm, round cut) appears 7% larger than 19ct Titanite (16.63×16.63mm, round cut). See below how they compare side-by-side on a ring and finger.

19ct Titanite (round cut)
vs
19ct Apatite (round cut)
yellowish green
 
green
16.63×16.63 mm 17.18×17.18 mm
actual size
Actual size of 19ct Titanite (round cut, 16.63×16.63mm, Yellowish Green color)   Actual size of 19ct Apatite (round cut, 17.18×17.18mm, Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Yellowish Green 19ct Titanite (round cut, 16.63×16.63mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 19ct Apatite (round cut, 17.18×17.18mm) 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
99% vs 102%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 19ct Titanite Round (16.63×16.63mm, Yellowish Green) and 19ct Apatite Round (17.18×17.18mm, 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, Titanite will face-up smaller than Apatite for a given carat weight, because it has higher specific gravity (3.53 vs. 3.2 - this means it's "heavier" compared to Apatite 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.


19 Ct Titanite (Round) 19 Ct Apatite (Round)
16.63×16.63 mm vs 17.18×17.18 mm
217.21 mm²   231.81 mm²
Face-up size outline for 19ct Apatite (17.18×17.18mm, round cut)
Face-up size outline for 19ct Titanite (16.63×16.63mm, round cut)
19ct Titanite Round (16.63×16.63mm)
19ct Apatite Round (17.18×17.18mm)
Difference: 7% (14.6 mm²)
19ct Apatite (Round, 17.18×17.18mm) has approx. 7% more face-up area than 19ct Titanite (Round, 16.63×16.63mm).


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