16ct Aquamarine (Cushion, 15.86×15.86mm, Light Blue) vs 16ct Diamond (Cushion, 14.68×14.68mm, White)
Quick summary: When looked from above (face-up position), 16ct Aquamarine (15.86×15.86mm, cushion cut) appears 17% larger than 16ct Diamond (14.68×14.68mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 16ct Aquamarine (cushion cut) |
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16ct Diamond (cushion cut) |
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light blue |
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| 15.86×15.86 mm | 14.68×14.68 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
16ct Aquamarine Cushion (15.86×15.86mm, Light Blue)
and
16ct Diamond Cushion (14.68×14.68mm, 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.
| 16 Ct Aquamarine (Cushion) | 16 Ct Diamond (Cushion) | |
| 15.86×15.86 mm | vs | 14.68×14.68 mm |
| 226.39 mm² | 193.95 mm² |
| 16ct Aquamarine Cushion (15.86×15.86mm) | |
| 16ct Diamond Cushion (14.68×14.68mm) | |
| Difference: 17% (32.44 mm²) |
16ct Aquamarine (Cushion, 15.86×15.86mm) has approx. 17% more face-up area than 16ct Diamond (Cushion, 14.68×14.68mm).
Popular comparisons:
- 1ct Aquamarine (Cushion, Light Blue, 6 x 6) vs. 1ct Tanzanite (Round, Blue, 6 x 6)
- 3ct Aquamarine (Cushion, Light Blue, 9.19 x 9.19) vs. 3ct Emerald (Emerald, Green, 10.5 x 7.78)
- 1ct Aquamarine (Cushion, Light Blue, 6.37 x 6.37) vs. 1ct Diamond (Cushion, White, 5.83 x 5.83)
- 20ct Aquamarine (Cushion, Light Blue, 17.3 x 17.3) vs. 20ct Citrine (Cushion, Light Yellow, 17.41 x 17.41)
- 1.75ct Aquamarine (Cushion, Light Blue, 7.68 x 7.68) vs. 1.75ct Diamond (Cushion, White, 7.02 x 7.02)
- 2.5ct Aquamarine (Cushion, Light Bluish Green, 8.65 x 8.65) vs. 4.23ct Emerald (Cushion, Green, 10.31 x 10.31)
- 10ct Aquamarine (Cushion, Light Blue, 13.73 x 13.73) vs. 10ct Spinel (Emerald, Light Blue, 14.24 x 10.55)
- 2.5ct Aquamarine (Cushion, Light Bluish Green, 8.65 x 8.65) vs. 8.25ct Emerald (Emerald, Green, 14.72 x 10.9)
- 1.5ct Aquamarine (Cushion, Light Blue, 8 x 8) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)