1.8ct Emerald (Emerald, 8.86×6.56mm, Green) vs 2.8ct Diopside (Emerald, 9.6×7.11mm, Green)
Quick summary: When looked from above (face-up position), 2.8ct Diopside (9.6×7.11mm, emerald cut) appears 17% larger than 1.8ct Emerald (8.86×6.56mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1.8ct Emerald (emerald cut) |
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2.8ct Diopside (emerald cut) |
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| 8.86×6.56 mm | 9.6×7.11 mm | |
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Actual sizes of
1.8ct Emerald Emerald (8.86×6.56mm, Green)
and
2.8ct Diopside Emerald (9.6×7.11mm, 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, Diopside will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.3 vs. 2.7 - 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.
| 1.8 Ct Emerald (Emerald) | 2.8 Ct Diopside (Emerald) | |
| 8.86×6.56 mm | vs | 9.6×7.11 mm |
| 54.05 mm² | 63.48 mm² |
| 1.8ct Emerald Emerald (8.86×6.56mm) | |
| 2.8ct Diopside Emerald (9.6×7.11mm) | |
| Difference: 17% (9.43 mm²) |
2.8ct Diopside Emerald (9.6×7.11mm) has approx. 17% more face-up area than 1.8ct Emerald Emerald (8.86×6.56mm).
Popular comparisons:
- 1.8ct Emerald (Emerald, Green, 8.86 x 6.56) vs. 2.31ct Emerald (Emerald, Green, 9.63 x 7.13)
- 1.8ct Emerald (Emerald, Green, 8.86 x 6.56) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1.8ct Emerald (Emerald, Green, 8.86 x 6.56) vs. 3.15ct Emerald (Emerald, Green, 10.67 x 7.9)
- 1.8ct Emerald (Emerald, Green, 8.86 x 6.56) vs. 3ct Emerald (Emerald, Green, 10.5 x 7.78)
- 1.8ct Emerald (Emerald, Green, 8.86 x 6.56) vs. 1.8ct Ruby (Pear, Red, 10.11 x 6.09)
- 1.8ct Emerald (Emerald, Green, 8.86 x 6.56) vs. 7ct Emerald (Emerald, Green, 13.92 x 10.31)
- 1.8ct Emerald (Emerald, Green, 8.86 x 6.56) vs. 2.8ct Diamond (Emerald, White, 9.42 x 6.98)
- 1.8ct Emerald (Emerald, Green, 8.86 x 6.56) vs. 3ct Sapphire (Emerald, Blue, 9.21 x 6.82)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.