2ct Kyanite (Emerald, 8.28×6.13mm, Blue) vs 2ct Topaz (Emerald, 8.38×6.21mm, Blue)
Quick summary: When looked from above (face-up position), 2ct Topaz (8.38×6.21mm, emerald cut) appears 3% larger than 2ct Kyanite (8.28×6.13mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 2ct Kyanite (emerald cut) |
vs
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2ct Topaz (emerald cut) |
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blue |
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| 8.28×6.13 mm | 8.38×6.21 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
2ct Kyanite Emerald (8.28×6.13mm, Blue)
and
2ct Topaz Emerald (8.38×6.21mm, 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 Topaz for a given
carat weight, because it has higher specific gravity
(3.68 vs. 3.53 - this means it's "heavier" compared to Topaz 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 Ct Kyanite (Emerald) | 2 Ct Topaz (Emerald) | |
| 8.28×6.13 mm | vs | 8.38×6.21 mm |
| 47.2 mm² | 48.4 mm² |
| 2ct Kyanite Emerald (8.28×6.13mm) | |
| 2ct Topaz Emerald (8.38×6.21mm) | |
| Difference: 3% (1.2 mm²) |
2ct Topaz (Emerald, 8.38×6.21mm) has approx. 3% more face-up area than 2ct Kyanite (Emerald, 8.28×6.13mm).
Popular comparisons:
- 2ct Kyanite (Emerald, Blue, 8.28 x 6.13) vs. 4ct Sapphire (Cushion, Blue, 8.88 x 8.88)
- 2ct Kyanite (Emerald, Blue, 8.28 x 6.13) vs. 2ct Chrysoberyl (Emerald, Light Yellowish Green, 8.26 x 6.12)
- 2ct Kyanite (Emerald, Blue, 8.28 x 6.13) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 5ct Kyanite (Emerald, Blue, 11.23 x 8.32) vs. 5ct Tanzanite (Emerald, Blue, 11.64 x 8.62)
- 4.7ct Kyanite (Emerald, Light Bluish Green, 11 x 8.15) vs. 3.5ct Diamond (Emerald, White, 10.14 x 7.51)
- 1ct Kyanite (Emerald, Blue, 6.56 x 4.86) vs. 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04)
- 4ct Kyanite (Emerald, Light Bluish Green, 10.42 x 7.72) vs. 3.5ct Diamond (Emerald, White, 10.14 x 7.51)
- 1ct Kyanite (Emerald, Blue, 6.56 x 4.86) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1.5ct Kyanite (Emerald, Blue, 7.52 x 5.57) vs. 2ct Diamond (Round, White, 8.19 x 8.19)