18ct Titanite (Heart, 17.1×17.1mm, Yellowish Green) vs 18ct Apatite (Heart, 17.67×17.67mm, Green)
Quick summary: When looked from above (face-up position), 18ct Apatite (17.67×17.67mm, heart cut) appears 7% larger than 18ct Titanite (17.1×17.1mm, heart cut). See below how they compare side-by-side on a ring and finger.
| 18ct Titanite (heart cut) |
vs
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18ct Apatite (heart cut) |
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yellowish green |
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| 17.1×17.1 mm | 17.67×17.67 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
18ct Titanite Heart (17.1×17.1mm, Yellowish Green)
and
18ct Apatite Heart (17.67×17.67mm, 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.
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.
| 18 Ct Titanite (Heart) | 18 Ct Apatite (Heart) | |
| 17.1×17.1 mm | vs | 17.67×17.67 mm |
| 210.54 mm² | 224.8 mm² |
| 18ct Titanite Heart (17.1×17.1mm) | |
| 18ct Apatite Heart (17.67×17.67mm) | |
| Difference: 7% (14.26 mm²) |
18ct Apatite (Heart, 17.67×17.67mm) has approx. 7% more face-up area than 18ct Titanite (Heart, 17.1×17.1mm).
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