5ct Kyanite (Cushion, 9.73×9.73mm, Blue) vs 5ct Benitoite (Cushion, 9.76×9.76mm, Blue)
Quick summary: When looked from above (face-up position), 5ct Benitoite (9.76×9.76mm, cushion cut) appears 0.6% larger than 5ct Kyanite (9.73×9.73mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 5ct Kyanite (cushion cut) |
vs
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5ct Benitoite (cushion cut) |
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blue |
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| 9.73×9.73 mm | 9.76×9.76 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
5ct Kyanite Cushion (9.73×9.73mm, Blue)
and
5ct Benitoite Cushion (9.76×9.76mm, 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 slightly smaller than Benitoite for a given
carat weight, because it has higher specific gravity
(3.68 vs. 3.65 - this means it's "slightly heavier" compared to Benitoite 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.
| 5 Ct Kyanite (Cushion) | 5 Ct Benitoite (Cushion) | |
| 9.73×9.73 mm | vs | 9.76×9.76 mm |
| 85.21 mm² | 85.73 mm² |
| 5ct Kyanite Cushion (9.73×9.73mm) | |
| 5ct Benitoite Cushion (9.76×9.76mm) | |
| Difference: 0.6% (0.52 mm²) |
5ct Benitoite (Cushion, 9.76×9.76mm) has approx. 0.6% more face-up area than 5ct Kyanite (Cushion, 9.73×9.73mm).
Popular comparisons:
- 1.5ct Kyanite (Cushion, Blue, 6.58 x 6.58) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Kyanite (Cushion, Blue, 7.24 x 7.24) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 20ct Kyanite (Cushion, Blue, 15.61 x 15.61) vs. 20ct Morganite (Cushion, Light Purple, 17.3 x 17.3)
- 2.58ct Kyanite (Cushion, Blue, 7.89 x 7.89) vs. 3ct Tanzanite (Emerald, Blue, 9.81 x 7.27)
- 1ct Kyanite (Cushion, Blue, 5.75 x 5.75) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Kyanite (Cushion, Blue, 7.24 x 7.24) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2.5ct Kyanite (Cushion, Blue, 7.8 x 7.8) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 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)