0.75ct Apatite (Princess, 5.14×5.14mm, Green) vs 0.75ct Kyanite (Princess, 4.91×4.91mm, Blue)
Quick summary: When looked from above (face-up position), 0.75ct Apatite (5.14×5.14mm, princess cut) appears 10% larger than 0.75ct Kyanite (4.91×4.91mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 0.75ct Apatite (princess cut) |
vs
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0.75ct Kyanite (princess cut) |
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green |
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| 5.14×5.14 mm | 4.91×4.91 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
0.75ct Apatite Princess (5.14×5.14mm, Green)
and
0.75ct Kyanite Princess (4.91×4.91mm, 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.
| 0.75 Ct Apatite (Princess) | 0.75 Ct Kyanite (Princess) | |
| 5.14×5.14 mm | vs | 4.91×4.91 mm |
| 26.42 mm² | 24.11 mm² |
| 0.75ct Apatite Princess (5.14×5.14mm) | |
| 0.75ct Kyanite Princess (4.91×4.91mm) | |
| Difference: 10% (2.31 mm²) |
0.75ct Apatite (Princess, 5.14×5.14mm) has approx. 10% more face-up area than 0.75ct Kyanite (Princess, 4.91×4.91mm).
Popular comparisons:
- 1ct Apatite (Princess, Green, 5.66 x 5.66) vs. 1ct Amethyst (Baguette, Violet, 7.95 x 5.3)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)
- 6ct Morganite (Cushion, Light Red, 12 x 10) vs. 3.5ct Sapphire (Cushion, Blue, 8.49 x 8.49)
- 1ct Alexandrite (Round, Bluish Green, 6.14 x 6.14) vs. 1ct Emerald (Emerald, Yellowish Green, 7.28 x 5.39)
- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)