11ct Diamond (Trillion, 17.2×17.2mm, White) vs 11ct Emerald (Trillion, 18.49×18.49mm, Green)
Quick summary: When looked from above (face-up position), 11ct Emerald (18.49×18.49mm, trillion cut) appears 16% larger than 11ct Diamond (17.2×17.2mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 11ct Diamond (trillion cut) |
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11ct Emerald (trillion cut) |
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white |
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| 17.2×17.2 mm | 18.49×18.49 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
11ct Diamond Trillion (17.2×17.2mm, White)
and
11ct Emerald Trillion (18.49×18.49mm, 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, Diamond will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.52 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.
| 11 Ct Diamond (Trillion) | 11 Ct Emerald (Trillion) | |
| 17.2×17.2 mm | vs | 18.49×18.49 mm |
| 183.42 mm² | 211.97 mm² |
| 11ct Diamond Trillion (17.2×17.2mm) | |
| 11ct Emerald Trillion (18.49×18.49mm) | |
| Difference: 16% (28.55 mm²) |
11ct Emerald (Trillion, 18.49×18.49mm) has approx. 16% more face-up area than 11ct Diamond (Trillion, 17.2×17.2mm).
Popular comparisons:
- 0.5ct Diamond (Trillion, White, 6.14 x 6.14) vs. 0.25ct Diamond (Trillion, White, 4.87 x 4.87)
- 0.5ct Diamond (Trillion, White, 6.14 x 6.14) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 0.61ct Diamond (Trillion, Purple, 5.32 x 6.44) vs. 0.58ct Diamond (Pear, Dark Purple, 4.99 x 6.84)
- 0.3ct Diamond (Trillion, White, 5.18 x 5.18) vs. 0.4ct Diamond (Round, White, 4.79 x 4.79)
- 0.27ct Diamond (Trillion, White, 5 x 5) vs. 2.24ct Morganite (Oval, Light Purple, 11 x 7)
- 1ct Diamond (Trillion, White, 7.74 x 7.74) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Diamond (Trillion, White, 6.14 x 6.14) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.08ct Diamond (Trillion, Purple, 2.78 x 2.9) vs. 0.08ct Diamond (Trillion, Purple, 2.87 x 3.05)
- 0.1ct Diamond (Trillion, White, 3.59 x 3.59) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)