1ct Tanzanite (Trillion, 7.76×7.76mm, Blue) vs 1ct Emerald (Emerald, 7.26×5.38mm, Green)
Quick summary: When looked from above (face-up position), 1ct Tanzanite (7.76×7.76mm, trillion cut) appears 3% larger than 1ct Emerald (7.26×5.38mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1ct Tanzanite (trillion cut) |
vs
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1ct Emerald (emerald cut) |
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blue |
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| 7.76×7.76 mm | 7.26×5.38 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 Trillion (7.76×7.76mm, Blue)
and
1ct Emerald Emerald (7.26×5.38mm, 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 (Trillion) | 1 Ct Emerald (Emerald) | |
| 7.76×7.76 mm | vs | 7.26×5.38 mm |
| 37.33 mm² | 36.32 mm² |
| 1ct Tanzanite Trillion (7.76×7.76mm) | |
| 1ct Emerald Emerald (7.26×5.38mm) | |
| Difference: 3% (1.01 mm²) |
1ct Tanzanite (Trillion, 7.76×7.76mm) has approx. 3% more face-up area than 1ct Emerald (Emerald, 7.26×5.38mm).
Popular comparisons:
- 2ct Tanzanite (Trillion, Blue, 9.44 x 9.44) vs. 1ct Tanzanite (Trillion, Blue, 7.49 x 7.49)
- 1ct Tanzanite (Trillion, Blue, 7.49 x 7.49) vs. 1.5ct Tanzanite (Trillion, Blue, 8.58 x 8.58)
- 2ct Tanzanite (Trillion, Blue, 9.44 x 9.44) vs. 3ct Tanzanite (Trillion, Blue, 10.81 x 10.81)
- 0.7ct Tanzanite (Trillion, Blue, 6 x 6) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5ct Tanzanite (Trillion, Blue, 12.81 x 12.81) vs. 2.5ct Diamond (Cushion, White, 7.91 x 7.91)
- 2.58ct Tanzanite (Trillion, Blue, 10.28 x 10.28) vs. 3ct Tanzanite (Emerald, Blue, 9.81 x 7.27)
- 1.4ct Tanzanite (Trillion, Blue, 8.38 x 8.38) vs. 1.4ct Tanzanite (Round, Blue, 7.13 x 7.13)
- 1ct Tanzanite (Trillion, Blue, 7.49 x 7.49) vs. 1ct Diamond (Trillion, White, 7.74 x 7.74)