0.5ct Apatite (Pear, 7.27×4.38mm, Green) vs 0.5ct Kyanite (Pear, 6.94×4.18mm, Blue)
Quick summary: When looked from above (face-up position), 0.5ct Apatite (7.27×4.38mm, pear cut) appears 10% larger than 0.5ct Kyanite (6.94×4.18mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 0.5ct Apatite (pear cut) |
vs
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0.5ct Kyanite (pear cut) |
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green |
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| 7.27×4.38 mm | 6.94×4.18 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 Pear (7.27×4.38mm, Green)
and
0.5ct Kyanite Pear (6.94×4.18mm, 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 (Pear) | 0.5 Ct Kyanite (Pear) | |
| 7.27×4.38 mm | vs | 6.94×4.18 mm |
| 23.25 mm² | 21.18 mm² |
| 0.5ct Apatite Pear (7.27×4.38mm) | |
| 0.5ct Kyanite Pear (6.94×4.18mm) | |
| Difference: 10% (2.07 mm²) |
0.5ct Apatite (Pear, 7.27×4.38mm) has approx. 10% more face-up area than 0.5ct Kyanite (Pear, 6.94×4.18mm).
Popular comparisons:
- 3.8ct Apatite (Pear, Green, 13.96 x 8.41) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.6ct Apatite (Pear, Bluish Green, 7.55 x 4.55) vs. 0.6ct Sapphire (Pear, Dark Blue, 7.01 x 4.22)
- 0.6ct Apatite (Pear, Light Bluish Green, 7.55 x 4.55) vs. 0.6ct Sapphire (Pear, Dark Blue, 7.01 x 4.22)
- 1ct Apatite (Pear, Blue, 7.75 x 5.38) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Apatite (Pear, Green, 8 x 5) vs. 1ct Diaspore (Pear, Light Yellowish Green, 8 x 6)
- 1ct Apatite (Pear, Green, 8 x 5) vs. 1ct Diaspore (Pear, Light Yellowish Green, 9 x 6)
- 0.6ct Apatite (Pear, Bluish Green, 7.55 x 4.55) vs. 0.6ct Sapphire (Pear, Blue, 7.01 x 4.22)
- 2ct Apatite (Pear, Light Blue, 11.27 x 6.79) vs. 1ct Apatite (Pear, Light Blue, 8.95 x 5.39)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)