8ct Ruby (Emerald, 12.77×9.46mm, Red) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 8ct Ruby (12.77×9.46mm, emerald cut) appears 3.1 times larger than 1ct Emerald (7.28×5.39mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 8ct Ruby (emerald cut) |
vs
|
1ct Emerald (emerald cut) |
|
red |
|
|
| 12.77×9.46 mm | 7.28×5.39 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
8ct Ruby Emerald (12.77×9.46mm, Red)
and
1ct Emerald Emerald (7.28×5.39mm, 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.
| 8 Ct Ruby (Emerald) | 1 Ct Emerald (Emerald) | |
| 12.77×9.46 mm | vs | 7.28×5.39 mm |
| 112.35 mm² | 36.49 mm² |
| 8ct Ruby Emerald (12.77×9.46mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 208% (75.86 mm²) |
8ct Ruby (Emerald, 12.77×9.46mm) has approx. 208% more face-up area than 1ct Emerald (Emerald, 7.28×5.39mm). In other words, it's 3.08x larger.
Popular comparisons:
- 8ct Ruby (Emerald, Red, 12.77 x 9.46) vs. 12ct Ruby (Oval, Red, 17.31 x 11.54)
- 8ct Ruby (Emerald, Red, 12.77 x 9.46) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 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)