0.5ct Apatite (Trillion, 6.25×6.25mm, Green) vs 0.5ct Kyanite (Trillion, 5.97×5.97mm, Blue)
Quick summary: When looked from above (face-up position), 0.5ct Apatite (6.25×6.25mm, trillion cut) appears 10% larger than 0.5ct Kyanite (5.97×5.97mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 0.5ct Apatite (trillion cut) |
vs
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0.5ct Kyanite (trillion cut) |
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green |
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| 6.25×6.25 mm | 5.97×5.97 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
0.5ct Apatite Trillion (6.25×6.25mm, Green)
and
0.5ct Kyanite Trillion (5.97×5.97mm, Blue)
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, Kyanite will face-up smaller than Apatite for a given
carat weight, because it has higher specific gravity
(3.68 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.
| 0.5 Ct Apatite (Trillion) | 0.5 Ct Kyanite (Trillion) | |
| 6.25×6.25 mm | vs | 5.97×5.97 mm |
| 24.22 mm² | 22.1 mm² |
| 0.5ct Apatite Trillion (6.25×6.25mm) | |
| 0.5ct Kyanite Trillion (5.97×5.97mm) | |
| Difference: 10% (2.12 mm²) |
0.5ct Apatite (Trillion, 6.25×6.25mm) has approx. 10% more face-up area than 0.5ct Kyanite (Trillion, 5.97×5.97mm).
Popular comparisons:
- 1ct Apatite (Trillion, Bluish Green, 7 x 7) vs. 1ct Aquamarine (Trillion, Light Bluish Green, 8.01 x 8.01)
- 1ct Apatite (Trillion, Bluish Green, 7 x 7) vs. 1ct Aquamarine (Trillion, Light Bluish Green, 7.6 x 7.5)
- 1ct Apatite (Trillion, Bluish Green, 8.25 x 6.65) vs. 1ct Apatite (Oval, Bluish Green, 7.8 x 6.1)
- 36ct Apatite (Trillion, Green, 26 x 26) vs. 36ct Peridot (Trillion, Yellowish Green, 25.63 x 25.63)
- 1.16ct Apatite (Trillion, Bluish Green, 7.96 x 7.96) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 0.5ct Apatite (Trillion, Bluish Green, 6.01 x 6.01) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 1.16ct Apatite (Trillion, Yellow, 7.96 x 7.96) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 1.16ct Apatite (Trillion, Light Yellow, 7.96 x 7.96) vs. 0.91ct Diamond (Princess, White, 5.34 x 5.34)
- 37.5ct Apatite (Trillion, Green, 25.34 x 25.34) vs. 6.08ct Emerald (Emerald, Green, 11.7 x 9.3)