1ct Alexandrite (Cushion, 5.74×5.74mm, Bluish Green) vs 0.7ct Sapphire (Cabochon, 6.08×4.05mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Alexandrite (5.74×5.74mm, cushion cut) appears 47% larger than 0.7ct Sapphire (6.08×4.05mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 1ct Alexandrite (cushion cut) |
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0.7ct Sapphire (cabochon cut) |
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bluish green |
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| 5.74×5.74 mm | 6.08×4.05 mm | |
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Actual sizes of
1ct Alexandrite Cushion (5.74×5.74mm, Bluish Green)
and
0.7ct Sapphire Cabochon (6.08×4.05mm, 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.
| 1 Ct Alexandrite (Cushion) | 0.7 Ct Sapphire (Cabochon) | |
| 5.74×5.74 mm | vs | 6.08×4.05 mm |
| 29.65 mm² | 20.19 mm² |
| 1ct Alexandrite Cushion (5.74×5.74mm) | |
| 0.7ct Sapphire Cabochon (6.08×4.05mm) | |
| Difference: 47% (9.46 mm²) |
1ct Alexandrite Cushion (5.74×5.74mm) has approx. 47% more face-up area than 0.7ct Sapphire Cabochon (6.08×4.05mm).
Popular comparisons:
- 1ct Alexandrite (Cushion, Bluish Green, 5.74 x 5.74) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Alexandrite (Cushion, Bluish Green, 5.74 x 5.74) vs. 1ct Diamond (Cushion, White, 5.83 x 5.83)
- 1ct Alexandrite (Cushion, Bluish Green, 5.74 x 5.74) vs. 1ct Diamond (Round, White, 6 x 6)
- 1ct Alexandrite (Cushion, Bluish Green, 5.74 x 5.74) vs. 1ct Emerald (Cushion, Green, 6.37 x 6.37)
- 1ct Alexandrite (Cushion, Bluish Green, 5.74 x 5.74) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
- 1ct Alexandrite (Cushion, Bluish Green, 5.74 x 5.74) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Alexandrite (Cushion, Bluish Green, 5.74 x 5.74) vs. 1ct Tourmaline (Round, Violet, 6.51 x 6.51)
- 1ct Alexandrite (Cushion, Bluish Green, 5.74 x 5.74) vs. 0.7ct Sapphire (Emerald, Blue, 5.67 x 4.2)
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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.