3ct Emerald (Pear, 13.66×8.23mm, Green) vs 1ct Amethyst (Oval, 8.67×5.78mm, Violet)
Quick summary: When looked from above (face-up position), 3ct Emerald (13.66×8.23mm, pear cut) appears 100% larger than 1ct Amethyst (8.67×5.78mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 3ct Emerald (pear cut) |
vs
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1ct Amethyst (oval cut) |
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green |
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| 13.66×8.23 mm | 8.67×5.78 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
3ct Emerald Pear (13.66×8.23mm, Green)
and
1ct Amethyst Oval (8.67×5.78mm, 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, Emerald will face-up slightly smaller than Amethyst for a given
carat weight, because it has higher specific gravity
(2.72 vs. 2.65 - this means it's "slightly heavier" compared to Amethyst 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.
| 3 Ct Emerald (Pear) | 1 Ct Amethyst (Oval) | |
| 13.66×8.23 mm | vs | 8.67×5.78 mm |
| 82.07 mm² | 41.09 mm² |
| 3ct Emerald Pear (13.66×8.23mm) | |
| 1ct Amethyst Oval (8.67×5.78mm) | |
| Difference: 100% (40.98 mm²) |
3ct Emerald (Pear, 13.66×8.23mm) has approx. 100% more face-up area than 1ct Amethyst (Oval, 8.67×5.78mm).
Popular comparisons:
- 3ct Emerald (Pear, Green, 13.66 x 8.23) vs. 4ct Emerald (Pear, Green, 15.02 x 9.05)
- 3ct Emerald (Pear, Green, 13.66 x 8.23) vs. 1.5ct Diamond (Oval, White, 9.29 x 6.19)
- 3ct Emerald (Pear, Green, 13.66 x 8.23) vs. 1ct Peridot (Oval, Yellowish Green, 8.03 x 5.35)
- 3ct Emerald (Pear, Green, 13.66 x 8.23) vs. 4ct Diamond (Pear, White, 14.36 x 8.65)
- 3ct Emerald (Pear, Green, 13.66 x 8.23) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3ct Emerald (Pear, Green, 13.66 x 8.23) vs. 1ct Morganite (Oval, Light Purple, 8.63 x 5.75)
- 3ct Emerald (Pear, Green, 13.66 x 8.23) vs. 3ct Emerald (Baguette, Green, 11.4 x 7.6)
- 3ct Emerald (Pear, Green, 13.66 x 8.23) vs. 4ct Emerald (Oval, Green, 13.68 x 9.12)