6.5ct Alexandrite (Princess, 10.03×10.03mm, Bluish Green) vs 6.5ct Sapphire (Princess, 9.8×9.8mm, Blue)
Quick summary: When looked from above (face-up position), 6.5ct Alexandrite (10.03×10.03mm, princess cut) appears 5% larger than 6.5ct Sapphire (9.8×9.8mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 6.5ct Alexandrite (princess cut) |
vs
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6.5ct Sapphire (princess cut) |
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bluish green |
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| 10.03×10.03 mm | 9.8×9.8 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
6.5ct Alexandrite Princess (10.03×10.03mm, Bluish Green)
and
6.5ct Sapphire Princess (9.8×9.8mm, 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. 3.73 - 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.
| 6.5 Ct Alexandrite (Princess) | 6.5 Ct Sapphire (Princess) | |
| 10.03×10.03 mm | vs | 9.8×9.8 mm |
| 100.6 mm² | 96.04 mm² |
| 6.5ct Alexandrite Princess (10.03×10.03mm) | |
| 6.5ct Sapphire Princess (9.8×9.8mm) | |
| Difference: 5% (4.56 mm²) |
6.5ct Alexandrite (Princess, 10.03×10.03mm) has approx. 5% more face-up area than 6.5ct Sapphire (Princess, 9.8×9.8mm).
Popular comparisons:
- 1ct Alexandrite (Princess, Bluish Green, 5.52 x 5.52) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.1ct Alexandrite (Princess, Bluish Green, 2.56 x 2.56) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4.2ct Alexandrite (Princess, Violet, 8.9 x 8.9) vs. 5ct Alexandrite (Princess, Bluish Green, 9.43 x 9.43)
- 2ct Alexandrite (Princess, Bluish Green, 6.95 x 6.95) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.63ct Alexandrite (Princess, Bluish Green, 6.49 x 6.49) vs. 1.28ct Alexandrite (Princess, Bluish Green, 5.99 x 5.99)
- 0.25ct Alexandrite (Princess, Bluish Green, 3.48 x 3.48) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 10ct Alexandrite (Princess, Bluish Green, 11.88 x 11.88) vs. 10ct Emerald (Emerald, Green, 15.69 x 11.62)
- 2ct Alexandrite (Princess, Bluish Green, 6.95 x 6.95) vs. 2ct Emerald (Emerald, Green, 9.17 x 6.79)
- 0.5ct Alexandrite (Princess, Bluish Green, 4.38 x 4.38) vs. 0.4ct Diamond (Round, White, 4.79 x 4.79)