25ct Diamond (Round, 19.01×19.01mm, White) vs 1ct Emerald (Round, 6.82×6.82mm, Green)
Quick summary: When looked from above (face-up position), 25ct Diamond (19.01×19.01mm, round cut) appears 7.8 times larger than 1ct Emerald (6.82×6.82mm, round cut). See below how they compare side-by-side on a ring and finger.
| 25ct Diamond (round cut) |
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1ct Emerald (round cut) |
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white |
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| 19.01×19.01 mm | 6.82×6.82 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
25ct Diamond Round (19.01×19.01mm, White)
and
1ct Emerald Round (6.82×6.82mm, 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.
| 25 Ct Diamond (Round) | 1 Ct Emerald (Round) | |
| 19.01×19.01 mm | vs | 6.82×6.82 mm |
| 283.83 mm² | 36.53 mm² |
| 25ct Diamond Round (19.01×19.01mm) | |
| 1ct Emerald Round (6.82×6.82mm) | |
| Difference: 677% (247.3 mm²) |
25ct Diamond (Round, 19.01×19.01mm) has approx. 677% more face-up area than 1ct Emerald (Round, 6.82×6.82mm). In other words, it's 7.77x larger.
Popular comparisons:
- 25ct Diamond (Round, White, 19.01 x 19.01) vs. 30ct Diamond (Round, White, 20.2 x 20.2)
- 25ct Diamond (Round, White, 19.01 x 19.01) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 25ct Diamond (Round, White, 19.01 x 19.01) vs. 25ct Emerald (Round, Green, 19.93 x 19.93)
- 25ct Diamond (Round, White, 19.01 x 19.01) vs. 15ct Diamond (Round, White, 16.03 x 16.03)
- 25ct Diamond (Round, White, 19.01 x 19.01) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.1ct Diamond (Round, White, 3.02 x 3.02) vs. 0.15ct Diamond (Round, White, 3.45 x 3.45)
- 1.5ct Diamond (Round, White, 7.5 x 7.5) vs. 2ct Diamond (Round, White, 8 x 8)
- 20ct Diamond (Round, White, 17.64 x 17.64) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)