12 Ct Aquamarine (Emerald) |
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12 Ct Spinel (Emerald) |
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light blue |
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| 16.66×12.34 mm | 15.15×11.22 mm | |
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64 mm |
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Actual sizes of
12ct Aquamarine Emerald (16.66×12.34mm, Light Blue)
and
12ct Spinel Emerald (15.15×11.22mm, Light Blue)
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 Aquamarine or Spinel check what Amazon has to offer. You'll usually find quite a selection from many different vendors. Worth a check. For other high quality gemstones (Rubies, Saphhires, Emeralds) and especially Diamonds, I highly recommend JamesAllen.
Face-up Size
All things being equal, Spinel will face-up smaller than Aquamarine for a given
carat weight, because it has higher specific gravity
(3.6 vs. 2.7 - 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.
| 12 Ct Aquamarine (Emerald) | 12 Ct Spinel (Emerald) | |
| 16.66×12.34 mm | vs | 15.15×11.22 mm |
| 191.19 mm² | 158.08 mm² |
| 12ct Aquamarine Emerald (16.66×12.34mm) | |
| 12ct Spinel Emerald (15.15×11.22mm) | |
| Difference: 21% (33.11 mm²) |
12ct Aquamarine Emerald (16.66×12.34mm) has approx. 21% more face-up area than 12ct Spinel Emerald (15.15×11.22mm).
Popular comparisons:
- 12ct Aquamarine (Emerald, Light Blue, 16.66 x 12.34) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 12ct Aquamarine (Emerald, Light Blue, 16.66 x 12.34) vs. 12ct Sapphire (Emerald, Blue, 14.62 x 10.83)
- 7ct Aquamarine (Emerald, Light Blue, 13.92 x 10.31) vs. 7ct Sapphire (Emerald, Blue, 12.22 x 9.05)
- 5ct Aquamarine (Emerald, Light Blue, 12.45 x 9.22) vs. 5ct Diamond (Emerald, White, 11.42 x 8.46)
- 2.7ct Aquamarine (Emerald, Light Bluish Green, 9 x 7) vs. 2.7ct Diamond (Round, White, 9.05 x 9.05)
- 1ct Aquamarine (Emerald, Light Blue, 7.28 x 5.39) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 1.5ct Aquamarine (Emerald, Light Blue, 8.33 x 6.17) vs. 2ct Aquamarine (Emerald, Light Blue, 9.17 x 6.79)
- 10ct Aquamarine (Emerald, Light Blue, 15.69 x 11.62) vs. 10ct Spinel (Emerald, Light Blue, 14.24 x 10.55)
- 8ct Aquamarine (Emerald, Light Blue, 14.55 x 10.78) vs. 1ct Diamond (Cushion, White, 5.83 x 5.83)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.