2.1ct Diamond (Princess, 7.06×7.06mm, White) vs 2.1ct Alexandrite (Princess, 8×8mm, Violet)
Quick summary: When looked from above (face-up position), 2.1ct Alexandrite (8×8mm, princess cut) appears 28% larger than 2.1ct Diamond (7.06×7.06mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 2.1ct Diamond (princess cut) |
vs
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2.1ct Alexandrite (princess cut) |
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white |
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| 7.06×7.06 mm | 8×8 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
2.1ct Diamond Princess (7.06×7.06mm, White)
and
2.1ct Alexandrite Princess (8×8mm, Violet)
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.
| 2.1 Ct Diamond (Princess) | 2.1 Ct Alexandrite (Princess) | |
| 7.06×7.06 mm | vs | 8×8 mm |
| 49.84 mm² | 64 mm² |
| 2.1ct Diamond Princess (7.06×7.06mm) | |
| 2.1ct Alexandrite Princess (8×8mm) | |
| Difference: 28% (14.16 mm²) |
2.1ct Alexandrite (Princess, 8×8mm) has approx. 28% more face-up area than 2.1ct Diamond (Princess, 7.06×7.06mm).
Popular comparisons:
- 2.1ct Diamond (Princess, White, 7.06 x 7.06) vs. 2.1ct Alexandrite (Princess, Bluish Green, 7.06 x 7.06)
- 2.1ct Diamond (Princess, White, 7.06 x 7.06) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.1ct Diamond (Princess, White, 7.06 x 7.06) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 2.1ct Diamond (Princess, White, 7.06 x 7.06) vs. 2.1ct Alexandrite (Oval, Bluish Green, 9.95 x 6.63)
- 2.1ct Diamond (Princess, White, 7.06 x 7.06) vs. 2.1ct Alexandrite (Oval, Light Violet, 9.95 x 6.63)
- 0.2ct Diamond (Princess, White, 3.22 x 3.22) vs. 0.3ct Diamond (Princess, White, 3.69 x 3.69)
- 0.7ct Diamond (Princess, White, 4.83 x 4.82) vs. 0.7ct Diamond (Princess, White, 4.82 x 4.77)
- 1.53ct Diamond (Princess, White, 6.34 x 6.39) vs. 1.24ct Diamond (Emerald, White, 6.01 x 6.12)