3ct Sapphire (Emerald, 10×8mm, Blue) vs 4ct Sapphire (Round, 9.49×9.49mm, White)
Quick summary: When looked from above (face-up position), 3ct Sapphire (10×8mm, emerald cut) appears 5% larger than 4ct Sapphire (9.49×9.49mm, round cut). See below how they compare side-by-side on a ring and finger.
| 3ct Sapphire (emerald cut) |
vs
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4ct Sapphire (round cut) |
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blue |
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| 10×8 mm | 9.49×9.49 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
3ct Sapphire Emerald (10×8mm, Blue)
and
4ct Sapphire Round (9.49×9.49mm, 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
The face-up size depends on the shape of the gem, its weight and 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.
| 3 Ct Sapphire (Emerald) | 4 Ct Sapphire (Round) | |
| 10×8 mm | vs | 9.49×9.49 mm |
| 74.4 mm² | 70.73 mm² |
| 3ct Sapphire Emerald (10×8mm) | |
| 4ct Sapphire Round (9.49×9.49mm) | |
| Difference: 5% (3.67 mm²) |
3ct Sapphire (Emerald, 10×8mm) has approx. 5% more face-up area than 4ct Sapphire (Round, 9.49×9.49mm).
Popular comparisons:
- 3ct Sapphire (Emerald, Blue, 10 x 8) vs. 3ct Sapphire (Emerald, Blue, 9 x 7)
- 3ct Sapphire (Emerald, Blue, 10 x 8) vs. 3.1ct Sapphire (Emerald, Blue, 9.32 x 6.9)
- 3ct Sapphire (Emerald, Blue, 10 x 8) vs. 3ct Emerald (Emerald, Green, 10.5 x 7.78)
- 3ct Sapphire (Emerald, Blue, 10 x 8) vs. 3ct Diamond (Round, White, 9.37 x 9.37)
- 3ct Sapphire (Emerald, Blue, 10 x 8) vs. 2.75ct Sapphire (Emerald, Blue, 8.95 x 6.63)
- 3ct Sapphire (Emerald, Blue, 10 x 8) vs. 3ct Sapphire (Baguette, Blue, 9.99 x 6.66)
- 3ct Sapphire (Emerald, Blue, 10 x 8) vs. 5ct Sapphire (Round, White, 10.22 x 10.22)
- 3ct Sapphire (Emerald, Blue, 10 x 8) vs. 2ct Emerald (Emerald, Green, 9.17 x 6.79)