0.4ct Ruby (Oval, 5.58×3.72mm, Red) vs 0.5ct Emerald (Round, 5.41×5.41mm, Green)
Quick summary: When looked from above (face-up position), 0.5ct Emerald (5.41×5.41mm, round cut) appears 35% larger than 0.4ct Ruby (5.58×3.72mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 0.4ct Ruby (oval cut) |
vs
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0.5ct Emerald (round cut) |
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red |
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| 5.58×3.72 mm | 5.41×5.41 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
0.4ct Ruby Oval (5.58×3.72mm, Red)
and
0.5ct Emerald Round (5.41×5.41mm, 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.
| 0.4 Ct Ruby (Oval) | 0.5 Ct Emerald (Round) | |
| 5.58×3.72 mm | vs | 5.41×5.41 mm |
| 17.02 mm² | 22.99 mm² |
| 0.4ct Ruby Oval (5.58×3.72mm) | |
| 0.5ct Emerald Round (5.41×5.41mm) | |
| Difference: 35% (5.97 mm²) |
0.5ct Emerald (Round, 5.41×5.41mm) has approx. 35% more face-up area than 0.4ct Ruby (Oval, 5.58×3.72mm).
Popular comparisons:
- 0.4ct Ruby (Oval, Red, 5.58 x 3.72) vs. 0.3ct Diamond (Round, White, 4.35 x 4.35)
- 0.4ct Ruby (Oval, Red, 5.58 x 3.72) vs. 0.4ct Sapphire (Oval, Blue, 5.58 x 3.72)
- 0.4ct Ruby (Oval, Red, 5.58 x 3.72) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.4ct Ruby (Oval, Red, 5.58 x 3.72) vs. 0.2ct Sapphire (Round, Blue, 3.5 x 3.5)
- 0.4ct Ruby (Oval, Red, 5.58 x 3.72) vs. 1ct Ruby (Oval, Red, 7.56 x 5.04)
- 0.4ct Ruby (Oval, Red, 5.58 x 3.72) vs. 0.3ct Diamond (Oval, White, 5.43 x 3.62)
- 4ct Ruby (Oval, Red, 11 x 8.15) vs. 2.75ct Diamond (Oval, White, 11.37 x 7.58)
- 2ct Ruby (Oval, Red, 9.53 x 6.35) vs. 1.13ct Diamond (Round, White, 6.77 x 6.77)