2.8ct Sapphire (Emerald, 9×6.67mm, White) vs 2.8ct Diamond (Emerald, 9.42×6.98mm, White)
Quick summary: When looked from above (face-up position), 2.8ct Diamond (9.42×6.98mm, emerald cut) appears 10% larger than 2.8ct Sapphire (9×6.67mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 2.8ct Sapphire (emerald cut) |
vs
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2.8ct Diamond (emerald cut) |
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white |
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| 9×6.67 mm | 9.42×6.98 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
2.8ct Sapphire Emerald (9×6.67mm, White)
and
2.8ct Diamond Emerald (9.42×6.98mm, White)
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, Sapphire will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4 vs. 3.52 - this means it's "heavier" compared to Diamond 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.
| 2.8 Ct Sapphire (Emerald) | 2.8 Ct Diamond (Emerald) | |
| 9×6.67 mm | vs | 9.42×6.98 mm |
| 55.83 mm² | 61.15 mm² |
| 2.8ct Sapphire Emerald (9×6.67mm) | |
| 2.8ct Diamond Emerald (9.42×6.98mm) | |
| Difference: 10% (5.32 mm²) |
2.8ct Diamond (Emerald, 9.42×6.98mm) has approx. 10% more face-up area than 2.8ct Sapphire (Emerald, 9×6.67mm).
Popular comparisons:
- 1ct Sapphire (Emerald, Blue, 7 x 5) vs. 1ct Sapphire (Oval, Blue, 7 x 5)
- 2ct Sapphire (Emerald, Blue, 8.05 x 5.96) vs. 2ct Diamond (Emerald, White, 8.42 x 6.24)
- 2ct Sapphire (Emerald, Blue, 8.05 x 5.96) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 3ct Sapphire (Emerald, Blue, 10 x 8) vs. 3ct Sapphire (Round, Blue, 8.62 x 8.62)
- 1ct Sapphire (Emerald, Blue, 6.39 x 4.73) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4.2ct Sapphire (Emerald, Blue, 10.3 x 7.63) vs. 1.5ct Diamond (Round, White, 7.44 x 7.44)
- 5.57ct Sapphire (Emerald, Dark Yellowish Green, 9.19 x 9.06) vs. 4.28ct Sapphire (Oval, Dark Yellowish Green, 10 x 9.2)
- 1.1ct Sapphire (Emerald, Blue, 6.59 x 4.88) vs. 1.1ct Ruby (Cushion, Red, 5.77 x 5.77)