8ct Sapphire (Emerald, 12.77×9.46mm, Blue) vs 2ct Diamond (Emerald, 8.42×6.24mm, White)
Quick summary: When looked from above (face-up position), 8ct Sapphire (12.77×9.46mm, emerald cut) appears 2.3 times larger than 2ct Diamond (8.42×6.24mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 8ct Sapphire (emerald cut) |
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2ct Diamond (emerald cut) |
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| 12.77×9.46 mm | 8.42×6.24 mm | |
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Actual sizes of
8ct Sapphire Emerald (12.77×9.46mm, Blue)
and
2ct Diamond Emerald (8.42×6.24mm, 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, Sapphire will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4 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.
| 8 Ct Sapphire (Emerald) | 2 Ct Diamond (Emerald) | |
| 12.77×9.46 mm | vs | 8.42×6.24 mm |
| 112.35 mm² | 48.86 mm² |
| 8ct Sapphire Emerald (12.77×9.46mm) | |
| 2ct Diamond Emerald (8.42×6.24mm) | |
| Difference: 130% (63.49 mm²) |
8ct Sapphire Emerald (12.77×9.46mm) has approx. 130% more face-up area than 2ct Diamond Emerald (8.42×6.24mm). In other words, it's 2.3x larger.
Popular comparisons:
- 8ct Sapphire (Emerald, Blue, 12.77 x 9.46) vs. 5ct Diamond (Emerald, White, 11.42 x 8.46)
- 8ct Sapphire (Emerald, Blue, 12.77 x 9.46) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 8ct Sapphire (Emerald, Blue, 12.77 x 9.46) vs. 12ct Sapphire (Emerald, Blue, 14.62 x 10.83)
- 8ct Sapphire (Emerald, Blue, 12.77 x 9.46) vs. 7.19ct Sapphire (Oval, Blue, 14.6 x 9.73)
- 8ct Sapphire (Emerald, Blue, 12.77 x 9.46) vs. 6.76ct Emerald (Emerald, Green, 13.77 x 10.2)
- 8ct Sapphire (Emerald, Blue, 12.77 x 9.46) vs. 3ct Emerald (Emerald, Green, 10.5 x 7.78)
- 8ct Sapphire (Emerald, Blue, 12.77 x 9.46) vs. 8ct Sapphire (Oval, Blue, 15.12 x 10.08)
- 8ct Sapphire (Emerald, Blue, 12.77 x 9.46) vs. 35ct Diamond (Cushion, White, 19.06 x 19.06)
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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.