1ct Apatite (Pear, 9.16×5.52mm, Green) vs 1ct Kyanite (Pear, 8.75×5.27mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Apatite (9.16×5.52mm, pear cut) appears 10% larger than 1ct Kyanite (8.75×5.27mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 1ct Apatite (pear cut) |
vs
|
1ct Kyanite (pear cut) |
|
green |
|
|
| 9.16×5.52 mm | 8.75×5.27 mm | |
| actual size | ||
|
|
|
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
1ct Apatite Pear (9.16×5.52mm, Green)
and
1ct Kyanite Pear (8.75×5.27mm, 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.
| 1 Ct Apatite (Pear) | 1 Ct Kyanite (Pear) | |
| 9.16×5.52 mm | vs | 8.75×5.27 mm |
| 36.91 mm² | 33.66 mm² |
| 1ct Apatite Pear (9.16×5.52mm) | |
| 1ct Kyanite Pear (8.75×5.27mm) | |
| Difference: 10% (3.25 mm²) |
1ct Apatite (Pear, 9.16×5.52mm) has approx. 10% more face-up area than 1ct Kyanite (Pear, 8.75×5.27mm).
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)