0.12ct Diamond (Pear, 4.47×2.69mm, White) vs 1ct Alexandrite (Oval, 7.24×5.08mm, Dark Bluish Green)
Quick summary: When looked from above (face-up position), 1ct Alexandrite (7.24×5.08mm, oval cut) appears 3.4 times larger than 0.12ct Diamond (4.47×2.69mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 0.12ct Diamond (pear cut) |
vs
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1ct Alexandrite (oval cut) |
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white |
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| 4.47×2.69 mm | 7.24×5.08 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
0.12ct Diamond Pear (4.47×2.69mm, White)
and
1ct Alexandrite Oval (7.24×5.08mm, Dark Bluish Green)
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.
| 0.12 Ct Diamond (Pear) | 1 Ct Alexandrite (Oval) | |
| 4.47×2.69 mm | vs | 7.24×5.08 mm |
| 8.78 mm² | 30.16 mm² |
| 0.12ct Diamond Pear (4.47×2.69mm) | |
| 1ct Alexandrite Oval (7.24×5.08mm) | |
| Difference: 244% (21.38 mm²) |
1ct Alexandrite (Oval, 7.24×5.08mm) has approx. 244% more face-up area than 0.12ct Diamond (Pear, 4.47×2.69mm). In other words, it's 3.44x larger.
Popular comparisons:
- 0.12ct Diamond (Pear, White, 4.47 x 2.69) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.12ct Diamond (Pear, White, 4.47 x 2.69) vs. 1ct Emerald (Emerald, Green, 7.26 x 5.38)
- 0.12ct Diamond (Pear, White, 4.47 x 2.69) vs. 0.12ct Diamond (Marquise, White, 5.12 x 2.56)
- 0.12ct Diamond (Pear, White, 4.47 x 2.69) vs. 0.15ct Diamond (Marquise, White, 5.52 x 2.76)
- 0.12ct Diamond (Pear, White, 4.47 x 2.69) vs. 0.3ct Diamond (Pear, White, 6.06 x 3.65)
- 0.12ct Diamond (Pear, White, 4.47 x 2.69) vs. 0.25ct Diamond (Pear, White, 5.69 x 3.43)
- 3ct Diamond (Pear, White, 13.05 x 7.86) vs. 3.3ct Topaz (Pear, Blue, 12.9 x 7.77)
- 0.8ct Diamond (Pear, White, 8.4 x 5.06) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)