2.5ct Tanzanite (Emerald, 9.19×6.81mm, Blue) vs 2.5ct Kyanite (Emerald, 8.91×6.6mm, Blue)
Quick summary: When looked from above (face-up position), 2.5ct Tanzanite (9.19×6.81mm, emerald cut) appears 6% larger than 2.5ct Kyanite (8.91×6.6mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 2.5ct Tanzanite (emerald cut) |
vs
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2.5ct Kyanite (emerald cut) |
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blue |
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| 9.19×6.81 mm | 8.91×6.6 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 Emerald (9.19×6.81mm, Blue)
and
2.5ct Kyanite Emerald (8.91×6.6mm, 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 (Emerald) | 2.5 Ct Kyanite (Emerald) | |
| 9.19×6.81 mm | vs | 8.91×6.6 mm |
| 58.2 mm² | 54.69 mm² |
| 2.5ct Tanzanite Emerald (9.19×6.81mm) | |
| 2.5ct Kyanite Emerald (8.91×6.6mm) | |
| Difference: 6% (3.51 mm²) |
2.5ct Tanzanite (Emerald, 9.19×6.81mm) has approx. 6% more face-up area than 2.5ct Kyanite (Emerald, 8.91×6.6mm).
Popular comparisons:
- 2ct Tanzanite (Emerald, Blue, 8.57 x 6.35) vs. 3ct Tanzanite (Emerald, Blue, 9.81 x 7.27)
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Tanzanite (Emerald, Blue, 8.57 x 6.35) vs. 4ct Tanzanite (Emerald, Blue, 10.81 x 8.01)
- 0.49ct Tanzanite (Emerald, Blue, 5.37 x 3.98) vs. 0.5ct Emerald (Emerald, Green, 5.78 x 4.28)
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 5ct Tanzanite (Emerald, Blue, 11.64 x 8.62) vs. 2ct Diamond (Marquise, White, 13.08 x 6.54)
- 2ct Tanzanite (Emerald, Blue, 8.57 x 6.35) vs. 2ct Diamond (Emerald, White, 8.42 x 6.24)
- 6ct Tanzanite (Emerald, Blue, 12.37 x 9.16) vs. 13ct Tanzanite (Emerald, Blue, 16.01 x 11.86)
- 3.5ct Tanzanite (Emerald, Blue, 10.34 x 7.66) vs. 0.4ct Diamond (Cushion, Purple, 4.29 x 4.29)