4.5ct Tanzanite (Emerald, 11.18×8.28mm, Blue) vs 4.5ct Kyanite (Emerald, 10.84×8.03mm, Blue)
Quick summary: When looked from above (face-up position), 4.5ct Tanzanite (11.18×8.28mm, emerald cut) appears 6% larger than 4.5ct Kyanite (10.84×8.03mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 4.5ct Tanzanite (emerald cut) |
vs
|
4.5ct Kyanite (emerald cut) |
|
blue |
|
|
| 11.18×8.28 mm | 10.84×8.03 mm | |
| actual size | ||
|
|
|
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
4.5ct Tanzanite Emerald (11.18×8.28mm, Blue)
and
4.5ct Kyanite Emerald (10.84×8.03mm, 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.
| 4.5 Ct Tanzanite (Emerald) | 4.5 Ct Kyanite (Emerald) | |
| 11.18×8.28 mm | vs | 10.84×8.03 mm |
| 86.09 mm² | 80.95 mm² |
| 4.5ct Tanzanite Emerald (11.18×8.28mm) | |
| 4.5ct Kyanite Emerald (10.84×8.03mm) | |
| Difference: 6% (5.14 mm²) |
4.5ct Tanzanite (Emerald, 11.18×8.28mm) has approx. 6% more face-up area than 4.5ct Kyanite (Emerald, 10.84×8.03mm).
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)