2.5ct Emerald (Marquise, 15×7.5mm, Green) vs 2.5ct Tourmaline (Marquise, 14.42×7.21mm, Purple)
Quick summary: When looked from above (face-up position), 2.5ct Emerald (15×7.5mm, marquise cut) appears 8% larger than 2.5ct Tourmaline (14.42×7.21mm, marquise cut). See below how they compare side-by-side on a ring and finger.
| 2.5ct Emerald (marquise cut) |
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2.5ct Tourmaline (marquise cut) |
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green |
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| 15×7.5 mm | 14.42×7.21 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
2.5ct Emerald Marquise (15×7.5mm, Green)
and
2.5ct Tourmaline Marquise (14.42×7.21mm, Purple)
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, Tourmaline will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.06 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.
| 2.5 Ct Emerald (Marquise) | 2.5 Ct Tourmaline (Marquise) | |
| 15×7.5 mm | vs | 14.42×7.21 mm |
| 79.88 mm² | 73.82 mm² |
| 2.5ct Emerald Marquise (15×7.5mm) | |
| 2.5ct Tourmaline Marquise (14.42×7.21mm) | |
| Difference: 8% (6.06 mm²) |
2.5ct Emerald (Marquise, 15×7.5mm) has approx. 8% more face-up area than 2.5ct Tourmaline (Marquise, 14.42×7.21mm).
Popular comparisons:
- 0.3ct Emerald (Marquise, Dark Green, 7.54 x 3.77) vs. 0.3ct Diopside (Marquise, Green, 7.04 x 3.52)
- 0.3ct Emerald (Marquise, Dark Green, 7.54 x 3.77) vs. 0.2ct Emerald (Marquise, Dark Green, 6.58 x 3.29)
- 1.5ct Emerald (Marquise, Dark Bluish Green, 12.88 x 6.44) vs. 2ct Emerald (Marquise, Dark Green, 14.18 x 7.09)
- 1ct Emerald (Marquise, Green, 11.26 x 5.63) vs. 1ct Emerald (Pear, Green, 9.46 x 5.7)
- 1.1ct Emerald (Marquise, Green, 14 x 5) vs. 2.7ct Tanzanite (Cushion, Blue, 8.2 x 7.2)
- 0.2ct Emerald (Marquise, Green, 6.58 x 3.29) vs. 0.8ct Emerald (Emerald, Green, 6.76 x 5.01)
- 0.7ct Emerald (Marquise, Green, 10 x 5) vs. 0.06ct Diamond (Marquise, White, 4.06 x 2.03)
- 0.05ct Emerald (Marquise, Green, 4.14 x 2.07) vs. 0.06ct Diamond (Marquise, White, 4.06 x 2.03)
- 0.55ct Emerald (Marquise, Green, 9.22 x 4.61) vs. 0.55ct Ruby (Marquise, Red, 8.08 x 4.04)