1ct Alexandrite (Emerald, 6.55×4.85mm, Bluish Green) vs 1ct Emerald (Emerald, 7×5mm, Green)
Quick summary: When looked from above (face-up position), 1ct Emerald (7×5mm, emerald cut) appears 10% larger than 1ct Alexandrite (6.55×4.85mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1ct Alexandrite (emerald cut) |
vs
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1ct Emerald (emerald cut) |
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bluish green |
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| 6.55×4.85 mm | 7×5 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 Alexandrite Emerald (6.55×4.85mm, Bluish Green)
and
1ct Emerald Emerald (7×5mm, 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, Alexandrite will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.73 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 Alexandrite (Emerald) | 1 Ct Emerald (Emerald) | |
| 6.55×4.85 mm | vs | 7×5 mm |
| 29.54 mm² | 32.55 mm² |
| 1ct Alexandrite Emerald (6.55×4.85mm) | |
| 1ct Emerald Emerald (7×5mm) | |
| Difference: 10% (3.01 mm²) |
1ct Emerald (Emerald, 7×5mm) has approx. 10% more face-up area than 1ct Alexandrite (Emerald, 6.55×4.85mm).
Popular comparisons:
- 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85) vs. 1ct Emerald (Emerald, Yellowish Green, 7.28 x 5.39)
- 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85) vs. 3.5ct Emerald (Emerald, Light Yellowish Green, 11.06 x 8.19)
- 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85) vs. 1ct Emerald (Cabochon, Green, 7 x 5)
- 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85) vs. 1ct Emerald (Emerald, Bluish Green, 7.28 x 5.39)
- 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85) vs. 4ct Emerald (Emerald, Green, 11.56 x 8.56)