3.24ct Alexandrite (Cabochon, 10.4×6.93mm, Bluish Green) vs 3.24ct Tanzanite (Oval, 11.94×7.96mm, Blue)
Quick summary: When looked from above (face-up position), 3.24ct Tanzanite (11.94×7.96mm, oval cut) appears 32% larger than 3.24ct Alexandrite (10.4×6.93mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 3.24ct Alexandrite (cabochon cut) |
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3.24ct Tanzanite (oval cut) |
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bluish green |
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| 10.4×6.93 mm | 11.94×7.96 mm | |
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Actual sizes of
3.24ct Alexandrite Cabochon (10.4×6.93mm, Bluish Green)
and
3.24ct Tanzanite Oval (11.94×7.96mm, 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 Tanzanite for a given
carat weight, because it has higher specific gravity
(3.7 vs. 3.3 - this means it's "heavier" compared to Tanzanite 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.
| 3.24 Ct Alexandrite (Cabochon) | 3.24 Ct Tanzanite (Oval) | |
| 10.4×6.93 mm | vs | 11.94×7.96 mm |
| 59.1 mm² | 77.93 mm² |
| 3.24ct Alexandrite Cabochon (10.4×6.93mm) | |
| 3.24ct Tanzanite Oval (11.94×7.96mm) | |
| Difference: 32% (18.83 mm²) |
3.24ct Tanzanite Oval (11.94×7.96mm) has approx. 32% more face-up area than 3.24ct Alexandrite Cabochon (10.4×6.93mm).
Popular comparisons:
- 3.24ct Alexandrite (Cabochon, Bluish Green, 10.4 x 6.93) vs. 3.24ct Amethyst (Cabochon, Dark Violet, 11.61 x 7.74)
- 3.24ct Alexandrite (Cabochon, Bluish Green, 10.4 x 6.93) vs. 3.24ct Tanzanite (Cabochon, Light Blue, 10.8 x 7.2)
- 3.24ct Alexandrite (Cabochon, Bluish Green, 10.4 x 6.93) vs. 3.24ct Titanite (Cabochon, Orange, 10.56 x 7.04)
- 3.24ct Alexandrite (Cabochon, Bluish Green, 10.4 x 6.93) vs. 3.24ct Chrysoberyl (Cabochon, Green, 10.4 x 6.93)
- 3.24ct Alexandrite (Cabochon, Bluish Green, 10.4 x 6.93) vs. 3.24ct Amethyst (Cabochon, Dark Purple, 11.61 x 7.74)
- 1ct Alexandrite (Cabochon, Dark Purple, 7.02 x 4.68) vs. 1ct Alexandrite (Trillion, Bluish Green, 7.21 x 7.21)
- 1ct Alexandrite (Cabochon, Bluish Green, 7.02 x 4.68) vs. 1ct Emerald (Cabochon, Green, 7.8 x 5.2)
- 1ct Alexandrite (Cabochon, Bluish Green, 7.02 x 4.68) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
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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.