13ct Titanite (Cabochon, 16.77×11.18mm, Yellowish Green) vs 13ct Apatite (Cabochon, 17.34×11.56mm, Green)
Quick summary: When looked from above (face-up position), 13ct Apatite (17.34×11.56mm, cabochon cut) appears 7% larger than 13ct Titanite (16.77×11.18mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 13ct Titanite (cabochon cut) |
vs
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13ct Apatite (cabochon cut) |
|
yellowish green |
|
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| 16.77×11.18 mm | 17.34×11.56 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
13ct Titanite Cabochon (16.77×11.18mm, Yellowish Green)
and
13ct Apatite Cabochon (17.34×11.56mm, 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.
| 13 Ct Titanite (Cabochon) | 13 Ct Apatite (Cabochon) | |
| 16.77×11.18 mm | vs | 17.34×11.56 mm |
| 153.74 mm² | 164.37 mm² |
| 13ct Titanite Cabochon (16.77×11.18mm) | |
| 13ct Apatite Cabochon (17.34×11.56mm) | |
| Difference: 7% (10.63 mm²) |
13ct Apatite (Cabochon, 17.34×11.56mm) has approx. 7% more face-up area than 13ct Titanite (Cabochon, 16.77×11.18mm).
Popular comparisons:
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- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)