9ct Ruby (Emerald, 13.28×9.84mm, Red) vs 6ct Emerald (Emerald, 13.23×9.8mm, Green)
Quick summary: When looked from above (face-up position), 9ct Ruby (13.28×9.84mm, emerald cut) appears 0.8% larger than 6ct Emerald (13.23×9.8mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 9ct Ruby (emerald cut) |
vs
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6ct Emerald (emerald cut) |
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red |
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| 13.28×9.84 mm | 13.23×9.8 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
9ct Ruby Emerald (13.28×9.84mm, Red)
and
6ct Emerald Emerald (13.23×9.8mm, Green)
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, Ruby will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(4 vs. 2.72 - this means it's "heavier" compared to Emerald 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.
| 9 Ct Ruby (Emerald) | 6 Ct Emerald (Emerald) | |
| 13.28×9.84 mm | vs | 13.23×9.8 mm |
| 121.53 mm² | 120.58 mm² |
| 9ct Ruby Emerald (13.28×9.84mm) | |
| 6ct Emerald Emerald (13.23×9.8mm) | |
| Difference: 0.8% (0.95 mm²) |
9ct Ruby (Emerald, 13.28×9.84mm) has approx. 0.8% more face-up area than 6ct Emerald (Emerald, 13.23×9.8mm).
Popular comparisons:
- 9ct Ruby (Emerald, Red, 13.28 x 9.84) vs. 7ct Emerald (Emerald, Green, 13.92 x 10.31)
- 2.5ct Ruby (Emerald, Red, 8.67 x 6.42) vs. 2.5ct Diamond (Emerald, White, 9.07 x 6.72)
- 3ct Ruby (Emerald, Red, 9.21 x 6.82) vs. 2ct Ruby (Round, Red, 7.53 x 7.53)
- 1ct Ruby (Emerald, Red, 6.39 x 4.73) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5ct Ruby (Emerald, Red, 10.92 x 8.09) vs. 5ct Ruby (Oval, Red, 12.93 x 8.62)
- 0.47ct Ruby (Emerald, Red, 4.97 x 3.68) vs. 0.6ct Emerald (Emerald, Green, 6.14 x 4.55)
- 1ct Ruby (Emerald, Red, 6.39 x 4.73) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 3ct Ruby (Emerald, Red, 9.21 x 6.82) vs. 5ct Ruby (Round, Red, 10.22 x 10.22)