0.4ct Emerald (Round, 5.02×5.02mm, Green) vs 12.5ct Ruby (Round, 13.87×13.87mm, Red)
Quick summary: When looked from above (face-up position), 12.5ct Ruby (13.87×13.87mm, round cut) appears 7.6 times larger than 0.4ct Emerald (5.02×5.02mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.4ct Emerald (round cut) |
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12.5ct Ruby (round cut) |
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green |
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| 5.02×5.02 mm | 13.87×13.87 mm | |
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Actual sizes of
0.4ct Emerald Round (5.02×5.02mm, Green)
and
12.5ct Ruby Round (13.87×13.87mm, 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.
| 0.4 Ct Emerald (Round) | 12.5 Ct Ruby (Round) | |
| 5.02×5.02 mm | vs | 13.87×13.87 mm |
| 19.79 mm² | 151.09 mm² |
| 0.4ct Emerald Round (5.02×5.02mm) | |
| 12.5ct Ruby Round (13.87×13.87mm) | |
| Difference: 663% (131.3 mm²) |
12.5ct Ruby Round (13.87×13.87mm) has approx. 663% more face-up area than 0.4ct Emerald Round (5.02×5.02mm). In other words, it's 7.63x larger.
Popular comparisons:
- 0.4ct Emerald (Round, Green, 5.02 x 5.02) vs. 0.37ct Emerald (Oval, Green, 6.2 x 4.13)
- 0.4ct Emerald (Round, Green, 5.02 x 5.02) vs. 0.45ct Emerald (Oval, Green, 6.6 x 4.4)
- 0.4ct Emerald (Round, Green, 5.02 x 5.02) vs. 0.53ct Spinel (Round, Red, 5.01 x 5.01)
- 0.4ct Emerald (Round, Green, 5.02 x 5.02) vs. 0.8ct Emerald (Round, Green, 6.33 x 6.33)
- 0.4ct Emerald (Round, Green, 5.02 x 5.02) vs. 0.07ct Diamond (Round, White, 2.68 x 2.68)
- 0.4ct Emerald (Round, Green, 5.02 x 5.02) vs. 1.1ct Diamond (Emerald, White, 6.9 x 5.11)
- 0.4ct Emerald (Round, Green, 5.02 x 5.02) vs. 0.1ct Diamond (Round, White, 3.02 x 3.02)
- 0.4ct Emerald (Round, Green, 5.02 x 5.02) vs. 0.5ct Diamond (Round, White, 5.16 x 5.16)
Enter your screen size (diagonal)
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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.