2.5ct Tanzanite (Princess, 7.56×7.56mm, Blue) vs 2.5ct Kyanite (Princess, 7.33×7.33mm, Blue)
Quick summary: When looked from above (face-up position), 2.5ct Tanzanite (7.56×7.56mm, princess cut) appears 6% larger than 2.5ct Kyanite (7.33×7.33mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 2.5ct Tanzanite (princess cut) |
vs
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2.5ct Kyanite (princess cut) |
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blue |
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| 7.56×7.56 mm | 7.33×7.33 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
2.5ct Tanzanite Princess (7.56×7.56mm, Blue)
and
2.5ct Kyanite Princess (7.33×7.33mm, 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 Tanzanite for a given
carat weight, because it has higher specific gravity
(3.68 vs. 3.35 - this means it's "heavier" compared to Tanzanite 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.
| 2.5 Ct Tanzanite (Princess) | 2.5 Ct Kyanite (Princess) | |
| 7.56×7.56 mm | vs | 7.33×7.33 mm |
| 57.15 mm² | 53.73 mm² |
| 2.5ct Tanzanite Princess (7.56×7.56mm) | |
| 2.5ct Kyanite Princess (7.33×7.33mm) | |
| Difference: 6% (3.42 mm²) |
2.5ct Tanzanite (Princess, 7.56×7.56mm) has approx. 6% more face-up area than 2.5ct Kyanite (Princess, 7.33×7.33mm).
Popular comparisons:
- 2ct Tanzanite (Princess, Blue, 7.22 x 7.22) vs. 2ct Diamond (Princess, White, 6.94 x 6.94)
- 0.5ct Tanzanite (Princess, Blue, 4.55 x 4.55) vs. 0.5ct Diamond (Princess, White, 4.37 x 4.37)
- 2ct Tanzanite (Princess, Blue, 7.22 x 7.22) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 1ct Tanzanite (Princess, Blue, 5.73 x 5.73) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 17.93ct Tanzanite (Princess, Blue, 15 x 15) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.1ct Tanzanite (Princess, Blue, 5.92 x 5.92) vs. 1.1ct Diamond (Princess, White, 5.69 x 5.69)
- 2ct Tanzanite (Princess, Blue, 7.22 x 7.22) vs. 1.5ct Tanzanite (Princess, Blue, 6.56 x 6.56)
- 1ct Tanzanite (Princess, Blue, 5.73 x 5.73) vs. 1ct Emerald (Princess, Green, 6.13 x 6.13)
- 12.4ct Tanzanite (Princess, Blue, 13.26 x 13.26) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)