1ct Kunzite (Emerald, 6.9×5.11mm, Light Purple) vs 1ct Tanzanite (Round, 6.37×6.37mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Kunzite (6.9×5.11mm, emerald cut) appears 3% larger than 1ct Tanzanite (6.37×6.37mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1ct Kunzite (emerald cut) |
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1ct Tanzanite (round cut) |
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light purple |
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| 6.9×5.11 mm | 6.37×6.37 mm | |
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Actual sizes of
1ct Kunzite Emerald (6.9×5.11mm, Light Purple)
and
1ct Tanzanite Round (6.37×6.37mm, 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, Tanzanite will face-up smaller than Kunzite for a given
carat weight, because it has higher specific gravity
(3.3 vs. 3.18 - this means it's "heavier" compared to Kunzite 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 Kunzite (Emerald) | 1 Ct Tanzanite (Round) | |
| 6.9×5.11 mm | vs | 6.37×6.37 mm |
| 32.79 mm² | 31.87 mm² |
| 1ct Kunzite Emerald (6.9×5.11mm) | |
| 1ct Tanzanite Round (6.37×6.37mm) | |
| Difference: 3% (0.92 mm²) |
1ct Kunzite Emerald (6.9×5.11mm) has approx. 3% more face-up area than 1ct Tanzanite Round (6.37×6.37mm).
Popular comparisons:
- 12ct Kunzite (Emerald, Light Purple, 15.78 x 11.69) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 25ct Kunzite (Emerald, Light Violet, 20.16 x 14.93) vs. 25ct Emerald (Emerald, Light Green , 21.29 x 15.77)
- 6.55ct Kunzite (Emerald, Light Purple, 13.1 x 8.8) vs. 1.9ct Morganite (Oval, Light Brown, 10 x 7.5)
- 11.3ct Kunzite (Emerald, Light Violet, 13 x 11) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5.78ct Kunzite (Emerald, Light Purple, 12.37 x 9.16) vs. 2.47ct Kunzite (Princess, Light Purple, 7.84 x 7.84)
- 2.32ct Kunzite (Emerald, Light Purple, 9.13 x 6.76) vs. 2.47ct Kunzite (Princess, Light Purple, 7.84 x 7.84)
- 11.3ct Kunzite (Emerald, Light Purple, 13 x 11) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 11.3ct Kunzite (Emerald, Light Purple, 13 x 11) vs. 2.4ct Tourmaline (Princess, Bluish Green, 8 x 8)
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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.