0.51ct Diamond (Round, 5.19×5.19mm, White) vs 0.51ct Emerald (Princess, 4.9×4.9mm, Green)
Quick summary: When looked from above (face-up position), 0.51ct Emerald (4.9×4.9mm, princess cut) appears 13% larger than 0.51ct Diamond (5.19×5.19mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.51ct Diamond (round cut) |
vs
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0.51ct Emerald (princess cut) |
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white |
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| 5.19×5.19 mm | 4.9×4.9 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
0.51ct Diamond Round (5.19×5.19mm, White)
and
0.51ct Emerald Princess (4.9×4.9mm, 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.
| 0.51 Ct Diamond (Round) | 0.51 Ct Emerald (Princess) | |
| 5.19×5.19 mm | vs | 4.9×4.9 mm |
| 21.16 mm² | 24.01 mm² |
| 0.51ct Diamond Round (5.19×5.19mm) | |
| 0.51ct Emerald Princess (4.9×4.9mm) | |
| Difference: 13% (2.85 mm²) |
0.51ct Emerald (Princess, 4.9×4.9mm) has approx. 13% more face-up area than 0.51ct Diamond (Round, 5.19×5.19mm).
Popular comparisons:
- 0.51ct Diamond (Round, White, 5.19 x 5.19) vs. 0.31ct Emerald (Round, Green, 4.61 x 4.61)
- 0.51ct Diamond (Round, White, 5.19 x 5.19) vs. 0.51ct Emerald (Round, Green, 5.45 x 5.45)
- 0.51ct Diamond (Round, White, 5.19 x 5.19) vs. 0.4ct Emerald (Round, Green, 5.02 x 5.02)
- 0.51ct Diamond (Round, White, 5.19 x 5.19) vs. 0.55ct Emerald (Round, Green, 5.58 x 5.58)
- 0.51ct Diamond (Round, White, 5.19 x 5.19) vs. 0.7ct Diamond (Round, White, 5.77 x 5.77)
- 0.51ct Diamond (Round, White, 5.19 x 5.19) vs. 0.75ct Diamond (Round, White, 5.91 x 5.91)
- 0.51ct Diamond (Round, White, 5.19 x 5.19) vs. 0.8ct Emerald (Round, Green, 6.33 x 6.33)
- 0.51ct Diamond (Round, White, 5.19 x 5.19) vs. 0.6ct Diamond (Round, White, 5.48 x 5.48)