28ct Diaspore (Baguette, 22.22×14.81mm, Light Yellowish Green) vs 28ct Alexandrite (Baguette, 21.54×14.36mm, Bluish Green)
Quick summary: When looked from above (face-up position), 28ct Diaspore (22.22×14.81mm, baguette cut) appears 6% larger than 28ct Alexandrite (21.54×14.36mm, baguette cut). See below how they compare side-by-side on a ring and finger.
| 28ct Diaspore (baguette cut) |
vs
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28ct Alexandrite (baguette cut) |
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light yellowish green |
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| 22.22×14.81 mm | 21.54×14.36 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
28ct Diaspore Baguette (22.22×14.81mm, Light Yellowish Green)
and
28ct Alexandrite Baguette (21.54×14.36mm, 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 Diaspore for a given
carat weight, because it has higher specific gravity
(3.73 vs. 3.4 - this means it's "heavier" compared to Diaspore 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.
| 28 Ct Diaspore (Baguette) | 28 Ct Alexandrite (Baguette) | |
| 22.22×14.81 mm | vs | 21.54×14.36 mm |
| 329.08 mm² | 309.31 mm² |
| 28ct Diaspore Baguette (22.22×14.81mm) | |
| 28ct Alexandrite Baguette (21.54×14.36mm) | |
| Difference: 6% (19.77 mm²) |
28ct Diaspore (Baguette, 22.22×14.81mm) has approx. 6% more face-up area than 28ct Alexandrite (Baguette, 21.54×14.36mm).
Popular comparisons:
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- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
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- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)
- 6ct Morganite (Cushion, Light Red, 12 x 10) vs. 3.5ct Sapphire (Cushion, Blue, 8.49 x 8.49)
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- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)
- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)