3ct Alexandrite (Emerald, 9.45×7mm, Bluish Green) vs 3ct Sapphire (Emerald, 9×7mm, Blue)
Quick summary: When looked from above (face-up position), 3ct Alexandrite (9.45×7mm, emerald cut) appears 5% larger than 3ct Sapphire (9×7mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 3ct Alexandrite (emerald cut) |
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3ct Sapphire (emerald cut) |
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bluish green |
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| 9.45×7 mm | 9×7 mm | |
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Actual sizes of
3ct Alexandrite Emerald (9.45×7mm, Bluish Green)
and
3ct Sapphire Emerald (9×7mm, Blue)
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, Sapphire will face-up smaller than Alexandrite for a given
carat weight, because it has higher specific gravity
(4 vs. 3.7 - this means it's "heavier" compared to Alexandrite 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 Alexandrite (Emerald) | 3 Ct Sapphire (Emerald) | |
| 9.45×7 mm | vs | 9×7 mm |
| 61.52 mm² | 58.59 mm² |
| 3ct Alexandrite Emerald (9.45×7mm) | |
| 3ct Sapphire Emerald (9×7mm) | |
| Difference: 5% (2.93 mm²) |
3ct Alexandrite Emerald (9.45×7mm) has approx. 5% more face-up area than 3ct Sapphire Emerald (9×7mm).
Popular comparisons:
- 3ct Alexandrite (Emerald, Bluish Green, 9.45 x 7) vs. 3ct Diamond (Round, White, 9.37 x 9.37)
- 3ct Alexandrite (Emerald, Bluish Green, 9.45 x 7) vs. 3ct Aquamarine (Emerald, Light Blue, 10.5 x 7.78)
- 3ct Alexandrite (Emerald, Bluish Green, 9.45 x 7) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3ct Alexandrite (Emerald, Bluish Green, 9.45 x 7) vs. 3ct Apatite (Emerald, Green, 9.92 x 7.35)
- 3ct Alexandrite (Emerald, Bluish Green, 9.45 x 7) vs. 3ct Diopside (Emerald, Green, 9.81 x 7.27)
- 3ct Alexandrite (Emerald, Bluish Green, 9.45 x 7) vs. 3ct Hiddenite (Emerald, Light Green , 9.94 x 7.36)
- 3ct Alexandrite (Emerald, Bluish Green, 9.45 x 7) vs. 3ct Tanzanite (Emerald, Blue, 9.81 x 7.27)
- 3ct Alexandrite (Emerald, Bluish Green, 9.45 x 7) vs. 3ct Emerald (Emerald, Green, 10.5 x 7.78)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.