12ct Ruby (Pear, 19.01×11.45mm, Red) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 12ct Ruby (19.01×11.45mm, pear cut) appears 4.4 times larger than 1ct Emerald (7.28×5.39mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 12ct Ruby (pear cut) |
vs
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1ct Emerald (emerald cut) |
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red |
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| 19.01×11.45 mm | 7.28×5.39 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
12ct Ruby Pear (19.01×11.45mm, 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.
| 12 Ct Ruby (Pear) | 1 Ct Emerald (Emerald) | |
| 19.01×11.45 mm | vs | 7.28×5.39 mm |
| 158.9 mm² | 36.49 mm² |
| 12ct Ruby Pear (19.01×11.45mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 335% (122.41 mm²) |
12ct Ruby (Pear, 19.01×11.45mm) has approx. 335% more face-up area than 1ct Emerald (Emerald, 7.28×5.39mm). In other words, it's 4.35x larger.
Popular comparisons:
- 12ct Ruby (Pear, Red, 19.01 x 11.45) vs. 12ct Ruby (Oval, Red, 17.31 x 11.54)
- 12ct Ruby (Pear, Red, 19.01 x 11.45) vs. 5ct Ruby (Oval, Red, 11.67 x 8.45)
- 12ct Ruby (Pear, Red, 19.01 x 11.45) vs. 12ct Ruby (Oval, Light Red, 17.31 x 11.54)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 2.2ct Ruby (Pear, Dark Red, 10 x 7) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1ct Ruby (Pear, Red, 8.3 x 5) vs. 1ct Diamond (Pear, White, 9.05 x 5.45)
- 5.75ct Ruby (Pear, Red, 12 x 9) vs. 2.5ct Ruby (Emerald, Red, 8.67 x 6.42)
- 27ct Ruby (Pear, Red, 24.92 x 15.01) vs. 25ct Diamond (Pear, Light Blue, 26.46 x 15.94)