0.25ct Diamond (Emerald, 4.21×3.12mm, White) vs 0.4ct Emerald (Emerald, 5.36×3.97mm, Green)
Quick summary: When looked from above (face-up position), 0.4ct Emerald (5.36×3.97mm, emerald cut) appears 62% larger than 0.25ct Diamond (4.21×3.12mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 0.25ct Diamond (emerald cut) |
vs
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0.4ct Emerald (emerald cut) |
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white |
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| 4.21×3.12 mm | 5.36×3.97 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
0.25ct Diamond Emerald (4.21×3.12mm, White)
and
0.4ct Emerald Emerald (5.36×3.97mm, 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.
| 0.25 Ct Diamond (Emerald) | 0.4 Ct Emerald (Emerald) | |
| 4.21×3.12 mm | vs | 5.36×3.97 mm |
| 12.22 mm² | 19.79 mm² |
| 0.25ct Diamond Emerald (4.21×3.12mm) | |
| 0.4ct Emerald Emerald (5.36×3.97mm) | |
| Difference: 62% (7.57 mm²) |
0.4ct Emerald (Emerald, 5.36×3.97mm) has approx. 62% more face-up area than 0.25ct Diamond (Emerald, 4.21×3.12mm).
Popular comparisons:
- 0.25ct Diamond (Emerald, White, 4.21 x 3.12) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.25ct Diamond (Emerald, White, 4.21 x 3.12) vs. 0.5ct Diamond (Emerald, White, 5.31 x 3.93)
- 0.25ct Diamond (Emerald, White, 4.21 x 3.12) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 0.25ct Diamond (Emerald, White, 4.21 x 3.12) vs. 0.5ct Diamond (Round, White, 5.16 x 5.16)
- 0.25ct Diamond (Emerald, White, 4.21 x 3.12) vs. 0.44ct Diamond (Emerald, White, 5.08 x 3.76)
- 0.25ct Diamond (Emerald, White, 4.21 x 3.12) vs. 0.25ct Diamond (Princess, White, 3.47 x 3.47)
- 0.25ct Diamond (Emerald, White, 4.21 x 3.12) vs. 0.25ct Diamond (Baguette, White, 4.56 x 3.04)
- 0.25ct Diamond (Emerald, White, 4.21 x 3.12) vs. 0.25ct Diamond (Round, White, 4.09 x 4.09)