4ct Diamond (Cabochon, 11.34×7.56mm, White) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 4ct Diamond (11.34×7.56mm, cabochon cut) appears 93% larger than 1ct Emerald (7.28×5.39mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 4ct Diamond (cabochon cut) |
vs
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1ct Emerald (emerald cut) |
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white |
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| 11.34×7.56 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
4ct Diamond Cabochon (11.34×7.56mm, White)
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, Diamond will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.52 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.
| 4 Ct Diamond (Cabochon) | 1 Ct Emerald (Emerald) | |
| 11.34×7.56 mm | vs | 7.28×5.39 mm |
| 70.3 mm² | 36.49 mm² |
| 4ct Diamond Cabochon (11.34×7.56mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 93% (33.81 mm²) |
4ct Diamond (Cabochon, 11.34×7.56mm) has approx. 93% more face-up area than 1ct Emerald (Emerald, 7.28×5.39mm).
Popular comparisons:
- 4ct Diamond (Cabochon, White, 11.34 x 7.56) vs. 3ct Sapphire (Oval, Blue, 10.91 x 7.27)
- 4ct Diamond (Cabochon, White, 11.34 x 7.56) vs. 4ct Emerald (Cabochon, Green, 12.39 x 8.26)
- 1ct Diamond (Cabochon, White, 7.14 x 4.76) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.82ct Diamond (Cabochon, White, 7.25 x 6.5) vs. 1.39ct Diamond (Round, White, 7.25 x 7.25)
- 2ct Diamond (Cabochon, White, 9 x 6) vs. 2ct Diamond (Emerald, White, 8.42 x 6.24)
- 1ct Diamond (Cabochon, White, 7.14 x 4.76) vs. 1ct Citrine (Princess, Light Orange, 6.17 x 6.17)
- 1.7ct Diamond (Cabochon, White, 8.52 x 5.68) vs. 1.7ct Diamond (Oval, White, 9.31 x 6.8)
- 3ct Diamond (Cabochon, Yellow, 10.31 x 6.87) vs. 3ct Sapphire (Cabochon, Yellow, 9.87 x 6.58)