1 Ct Kyanite (Oval) |
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1 Ct Tanzanite (Oval) |
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blue |
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| 7.77×5.18 mm | 8.07×5.38 mm | |
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Actual size is set for screen
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64 mm |
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Actual sizes of
1ct Kyanite Oval (7.77×5.18mm, Blue)
and
1ct Tanzanite Oval (8.07×5.38mm, 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 Kyanite or Tanzanite check what Amazon has to offer. You'll usually find quite a selection from many different vendors. Worth a check. For other high quality gemstones (Rubies, Saphhires, Emeralds) and especially Diamonds, I highly recommend JamesAllen.
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. 3.3 - 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.
| 1 Ct Kyanite (Oval) | 1 Ct Tanzanite (Oval) | |
| 7.77×5.18 mm | vs | 8.07×5.38 mm |
| 33 mm² | 35.6 mm² |
| 1ct Kyanite Oval (7.77×5.18mm) | |
| 1ct Tanzanite Oval (8.07×5.38mm) | |
| Difference: 8% (2.6 mm²) |
1ct Tanzanite Oval (8.07×5.38mm) has approx. 8% more face-up area than 1ct Kyanite Oval (7.77×5.18mm).
Popular comparisons:
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Light Blue, 7 x 5.38)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 2ct Tanzanite (Oval, Blue, 10.16 x 6.77)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
- 1ct Kyanite (Oval, Blue, 8 x 6) vs. 1ct Kyanite (Marquise, Blue, 10 x 5)
- 1ct Kyanite (Oval, Bluish Green, 8.14 x 6.14) vs. 1ct Alexandrite (Round, Bluish Green, 6.14 x 6.14)
- 1ct Kyanite (Oval, Blue, 8.14 x 6.14) vs. 1ct Alexandrite (Round, Light Green , 6.14 x 6.14)
- 1ct Kyanite (Oval, Dark Bluish Green, 8.14 x 6.14) vs. 1ct Alexandrite (Round, Bluish Green, 6.14 x 6.14)
- 10ct Kyanite (Oval, Blue, 16.76 x 11.17) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 3ct Kyanite (Oval, Blue, 11.22 x 7.48) vs. 3ct Kunzite (Oval, Light Purple, 11.78 x 7.85)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.