1ct Tanzanite (Emerald, 6.8×5.04mm, Blue) vs 12ct Emerald (Emerald, 16.66×12.34mm, Green)
Quick summary: When looked from above (face-up position), 12ct Emerald (16.66×12.34mm, emerald cut) appears 6 times larger than 1ct Tanzanite (6.8×5.04mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1ct Tanzanite (emerald cut) |
vs
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12ct Emerald (emerald cut) |
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blue |
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| 6.8×5.04 mm | 16.66×12.34 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
1ct Tanzanite Emerald (6.8×5.04mm, Blue)
and
12ct Emerald Emerald (16.66×12.34mm, Green)
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 Emerald for a given
carat weight, because it has higher specific gravity
(3.35 vs. 2.72 - this means it's "heavier" compared to Emerald 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 Tanzanite (Emerald) | 12 Ct Emerald (Emerald) | |
| 6.8×5.04 mm | vs | 16.66×12.34 mm |
| 31.87 mm² | 191.19 mm² |
| 1ct Tanzanite Emerald (6.8×5.04mm) | |
| 12ct Emerald Emerald (16.66×12.34mm) | |
| Difference: 500% (159.32 mm²) |
12ct Emerald (Emerald, 16.66×12.34mm) has approx. 500% more face-up area than 1ct Tanzanite (Emerald, 6.8×5.04mm). In other words, it's 6x larger.
Popular comparisons:
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 2.5ct Diamond (Round, White, 8.82 x 8.82)
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 1ct Morganite (Emerald, Light Purple, 7.28 x 5.39)
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 1ct Morganite (Marquise, Light Purple, 11.26 x 5.63)
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 4ct Tanzanite (Emerald, Blue, 10.81 x 8.01)
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 2ct Diamond (Round, White, 8.19 x 8.19)