1ct Alexandrite (Round, 6×6mm, Dark Bluish Green) vs 1ct Aquamarine (Round, 7×7mm, Light Blue)
Quick summary: When looked from above (face-up position), 1ct Aquamarine (7×7mm, round cut) appears 36% larger than 1ct Alexandrite (6×6mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1ct Alexandrite (round cut) |
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1ct Aquamarine (round cut) |
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dark bluish green |
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| 6×6 mm | 7×7 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 Round (6×6mm, Dark Bluish Green)
and
1ct Aquamarine Round (7×7mm, Light 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, Alexandrite will face-up smaller than Aquamarine for a given
carat weight, because it has higher specific gravity
(3.73 vs. 2.72 - this means it's "heavier" compared to Aquamarine 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 (Round) | 1 Ct Aquamarine (Round) | |
| 6×6 mm | vs | 7×7 mm |
| 28.27 mm² | 38.48 mm² |
| 1ct Alexandrite Round (6×6mm) | |
| 1ct Aquamarine Round (7×7mm) | |
| Difference: 36% (10.21 mm²) |
1ct Aquamarine (Round, 7×7mm) has approx. 36% more face-up area than 1ct Alexandrite (Round, 6×6mm).
Popular comparisons:
- 1ct Alexandrite (Round, Dark Bluish Green, 6 x 6) vs. 1ct Sapphire (Cushion, Light Purple, 6 x 6)
- 1ct Alexandrite (Round, Dark Bluish Green, 6 x 6) vs. 1ct Alexandrite (Round, Dark Bluish Green, 6.5 x 6.5)
- 1ct Alexandrite (Round, Dark Bluish Green, 6 x 6) vs. 1ct Alexandrite (Oval, Dark Bluish Green, 7 x 5)
- 1ct Alexandrite (Round, Dark Bluish Green, 6 x 6) vs. 1ct Sapphire (Cushion, Light Purple, 7 x 5)
- 1ct Alexandrite (Round, Dark Bluish Green, 6 x 6) vs. 1ct Sapphire (Oval, Light Purple, 7 x 5)
- 1ct Alexandrite (Round, Dark Bluish Green, 6 x 6) vs. 1ct Alexandrite (Princess, Dark Bluish Green, 6 x 6)
- 1ct Alexandrite (Round, Dark Bluish Green, 6 x 6) vs. 1ct Alexandrite (Pear, Dark Bluish Green, 5 x 7)
- 1ct Alexandrite (Round, Dark Bluish Green, 6 x 6) vs. 1ct Alexandrite (Pear, Dark Bluish Green, 8 x 6)