20ct Aquamarine (Baguette, 21.39×14.26mm, Light Blue) vs 20ct Diamond (Baguette, 19.64×13.09mm, White)
Quick summary: When looked from above (face-up position), 20ct Aquamarine (21.39×14.26mm, baguette cut) appears 19% larger than 20ct Diamond (19.64×13.09mm, baguette cut). See below how they compare side-by-side on a ring and finger.
| 20ct Aquamarine (baguette cut) |
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20ct Diamond (baguette cut) |
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light blue |
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| 21.39×14.26 mm | 19.64×13.09 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
20ct Aquamarine Baguette (21.39×14.26mm, Light Blue)
and
20ct Diamond Baguette (19.64×13.09mm, 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, Diamond will face-up smaller than Aquamarine for a given
carat weight, because it has higher specific gravity
(3.52 vs. 2.72 - this means it's "heavier" compared to Aquamarine 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.
| 20 Ct Aquamarine (Baguette) | 20 Ct Diamond (Baguette) | |
| 21.39×14.26 mm | vs | 19.64×13.09 mm |
| 305.02 mm² | 257.09 mm² |
| 20ct Aquamarine Baguette (21.39×14.26mm) | |
| 20ct Diamond Baguette (19.64×13.09mm) | |
| Difference: 19% (47.93 mm²) |
20ct Aquamarine (Baguette, 21.39×14.26mm) has approx. 19% more face-up area than 20ct Diamond (Baguette, 19.64×13.09mm).
Popular comparisons:
- 0.07ct Aquamarine (Baguette, Light Blue, 3.26 x 2.17) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.05ct Aquamarine (Baguette, Light Blue, 2.91 x 1.94) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Aquamarine (Baguette, Light Blue, 9.96 x 6.64) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2.5ct Aquamarine (Baguette, Light Blue, 10.73 x 7.15) vs. 2.5ct Diamond (Round, White, 8.82 x 8.82)
- 1ct Aquamarine (Baguette, Light Blue, 7.91 x 5.27) vs. 1ct Tanzanite (Baguette, Blue, 7.4 x 4.93)
- 1.5ct Aquamarine (Baguette, Light Blue, 9.05 x 6.03) vs. 1ct Diamond (Pear, White, 9.05 x 5.45)
- 1ct Aquamarine (Baguette, Light Blue, 7.91 x 5.27) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 10ct Aquamarine (Baguette, Light Blue, 17.03 x 11.35) vs. 10ct Spinel (Emerald, Light Blue, 14.24 x 10.55)
- 1.5ct Aquamarine (Baguette, Light Blue, 9.05 x 6.03) vs. 1.5ct Diamond (Round, White, 7.44 x 7.44)