1.5ct Diamond (Trillion, 8.86×8.86mm, White) vs 2ct Tourmaline (Emerald, 8.76×6.49mm, Violet)
Quick summary: When looked from above (face-up position), 2ct Tourmaline (8.76×6.49mm, emerald cut) appears 9% larger than 1.5ct Diamond (8.86×8.86mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Diamond (trillion cut) |
vs
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2ct Tourmaline (emerald cut) |
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white |
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| 8.86×8.86 mm | 8.76×6.49 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
1.5ct Diamond Trillion (8.86×8.86mm, White)
and
2ct Tourmaline Emerald (8.76×6.49mm, Violet)
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 Tourmaline for a given
carat weight, because it has higher specific gravity
(3.52 vs. 3.06 - this means it's "heavier" compared to Tourmaline 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.
| 1.5 Ct Diamond (Trillion) | 2 Ct Tourmaline (Emerald) | |
| 8.86×8.86 mm | vs | 8.76×6.49 mm |
| 48.67 mm² | 52.87 mm² |
| 1.5ct Diamond Trillion (8.86×8.86mm) | |
| 2ct Tourmaline Emerald (8.76×6.49mm) | |
| Difference: 9% (4.2 mm²) |
2ct Tourmaline (Emerald, 8.76×6.49mm) has approx. 9% more face-up area than 1.5ct Diamond (Trillion, 8.86×8.86mm).
Popular comparisons:
- 1.5ct Diamond (Trillion, White, 8.86 x 8.86) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.5ct Diamond (Trillion, White, 8.86 x 8.86) vs. 1.23ct Diamond (Emerald, White, 7.16 x 5.3)
- 1.5ct Diamond (Trillion, White, 8.86 x 8.86) vs. 0.74ct Diamond (Round, White, 5.88 x 5.88)
- 1.5ct Diamond (Trillion, White, 8.86 x 8.86) vs. 1ct Diamond (Baguette, White, 7.23 x 4.82)
- 1.5ct Diamond (Trillion, White, 8.86 x 8.86) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 1.5ct Diamond (Trillion, White, 8.86 x 8.86) vs. 2ct Diamond (Trillion, White, 9.75 x 9.75)
- 1.5ct Diamond (Trillion, White, 8.86 x 8.86) vs. 1ct Diamond (Pear, White, 9.05 x 5.45)
- 1.5ct Diamond (Trillion, White, 8.86 x 8.86) vs. 1.54ct Diamond (Oval, Bluish Green, 9.65 x 6.42)