1ct Alexandrite (Princess, 5.52×5.52mm, Bluish Green) vs 0.2ct Diamond (Trillion, 4.52×4.52mm, White)
Quick summary: When looked from above (face-up position), 1ct Alexandrite (5.52×5.52mm, princess cut) appears 2.4 times larger than 0.2ct Diamond (4.52×4.52mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 1ct Alexandrite (princess cut) |
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0.2ct Diamond (trillion cut) |
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bluish green |
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| 5.52×5.52 mm | 4.52×4.52 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 Princess (5.52×5.52mm, Bluish Green)
and
0.2ct Diamond Trillion (4.52×4.52mm, White)
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 Diamond for a given
carat weight, because it has higher specific gravity
(3.73 vs. 3.52 - this means it's "heavier" compared to Diamond 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 (Princess) | 0.2 Ct Diamond (Trillion) | |
| 5.52×5.52 mm | vs | 4.52×4.52 mm |
| 30.47 mm² | 12.67 mm² |
| 1ct Alexandrite Princess (5.52×5.52mm) | |
| 0.2ct Diamond Trillion (4.52×4.52mm) | |
| Difference: 140% (17.8 mm²) |
1ct Alexandrite (Princess, 5.52×5.52mm) has approx. 140% more face-up area than 0.2ct Diamond (Trillion, 4.52×4.52mm). In other words, it's 2.4x larger.
Popular comparisons:
- 1ct Alexandrite (Princess, Bluish Green, 5.52 x 5.52) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Alexandrite (Princess, Bluish Green, 5.52 x 5.52) vs. 0.1ct Diamond (Trillion, White, 3.59 x 3.59)
- 1ct Alexandrite (Princess, Bluish Green, 5.52 x 5.52) vs. 1ct Emerald (Emerald, Yellowish Green, 7.28 x 5.39)
- 1ct Alexandrite (Princess, Bluish Green, 5.52 x 5.52) vs. 1ct Aquamarine (Emerald, Light Blue, 7.28 x 5.39)
- 1ct Alexandrite (Princess, Bluish Green, 5.52 x 5.52) vs. 1.65ct Aquamarine (Emerald, Light Blue, 8.6 x 6.37)
- 1ct Alexandrite (Princess, Bluish Green, 5.52 x 5.52) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
- 1ct Alexandrite (Princess, Bluish Green, 5.52 x 5.52) vs. 0.7ct Sapphire (Emerald, Blue, 5.67 x 4.2)
- 1ct Alexandrite (Princess, Bluish Green, 5.52 x 5.52) vs. 1ct Emerald (Baguette, Green, 7.91 x 5.27)