12ct Emerald (Oval, 19.74×13.16mm, Green) vs 2ct Ruby (Oval, 9.53×6.35mm, Red)
Quick summary: When looked from above (face-up position), 12ct Emerald (19.74×13.16mm, oval cut) appears 4.3 times larger than 2ct Ruby (9.53×6.35mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 12ct Emerald (oval cut) |
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2ct Ruby (oval cut) |
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green |
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| 19.74×13.16 mm | 9.53×6.35 mm | |
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Actual sizes of
12ct Emerald Oval (19.74×13.16mm, Green)
and
2ct Ruby Oval (9.53×6.35mm, Red)
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. 2.7 - 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 Emerald (Oval) | 2 Ct Ruby (Oval) | |
| 19.74×13.16 mm | vs | 9.53×6.35 mm |
| 213.02 mm² | 49.62 mm² |
| 12ct Emerald Oval (19.74×13.16mm) | |
| 2ct Ruby Oval (9.53×6.35mm) | |
| Difference: 329% (163.4 mm²) |
12ct Emerald Oval (19.74×13.16mm) has approx. 329% more face-up area than 2ct Ruby Oval (9.53×6.35mm). In other words, it's 4.29x larger.
Popular comparisons:
- 12ct Emerald (Oval, Green, 19.74 x 13.16) vs. 5ct Sapphire (Oval, Blue, 12.93 x 8.62)
- 12ct Emerald (Oval, Green, 19.74 x 13.16) vs. 12ct Sapphire (Oval, Blue, 17.31 x 11.54)
- 12ct Emerald (Oval, Green, 19.74 x 13.16) vs. 20ct Emerald (Emerald, Green, 19.76 x 14.64)
- 2.4ct Emerald (Oval, Green, 11.55 x 7.7) vs. 2.7ct Tanzanite (Cushion, Blue, 8.2 x 7.2)
- 6ct Emerald (Oval, Green, 15.68 x 10.45) vs. 6ct Ruby (Oval, Red, 13.74 x 9.16)
- 10ct Emerald (Oval, Green, 18.57 x 12.38) vs. 6ct Spinel (Oval, Red, 14.24 x 9.49)
- 20ct Emerald (Oval, Green, 23.4 x 15.6) vs. 40ct Emerald (Oval, Green, 29.49 x 19.66)
- 1.2ct Emerald (Oval, Green, 8 x 6) vs. 1.5ct Emerald (Emerald, Green, 8 x 6)
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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.