1ct Sapphire (Cabochon, 6.84×4.56mm, Blue) vs 1ct Emerald (Round, 6.82×6.82mm, Green)
Quick summary: When looked from above (face-up position), 1ct Emerald (6.82×6.82mm, round cut) appears 43% larger than 1ct Sapphire (6.84×4.56mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 1ct Sapphire (cabochon cut) |
vs
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1ct Emerald (round cut) |
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blue |
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| 6.84×4.56 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
1ct Sapphire Cabochon (6.84×4.56mm, Blue)
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, Sapphire will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(4 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.
| 1 Ct Sapphire (Cabochon) | 1 Ct Emerald (Round) | |
| 6.84×4.56 mm | vs | 6.82×6.82 mm |
| 25.58 mm² | 36.53 mm² |
| 1ct Sapphire Cabochon (6.84×4.56mm) | |
| 1ct Emerald Round (6.82×6.82mm) | |
| Difference: 43% (10.95 mm²) |
1ct Emerald (Round, 6.82×6.82mm) has approx. 43% more face-up area than 1ct Sapphire (Cabochon, 6.84×4.56mm).
Popular comparisons:
- 1ct Sapphire (Cabochon, Blue, 6.84 x 4.56) vs. 1ct Sapphire (Oval, Blue, 7.56 x 5.04)
- 1ct Sapphire (Cabochon, Blue, 6.84 x 4.56) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
- 1ct Sapphire (Cabochon, Blue, 6.84 x 4.56) vs. 1ct Emerald (Cabochon, Green, 7.8 x 5.2)
- 1ct Sapphire (Cabochon, Blue, 6.84 x 4.56) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Sapphire (Cabochon, Blue, 6.84 x 4.56) vs. 0.1ct Diamond (Round, White, 3.02 x 3.02)
- 1ct Sapphire (Cabochon, Blue, 6.84 x 4.56) vs. 1ct Diamond (Cabochon, White, 7.14 x 4.76)
- 1ct Sapphire (Cabochon, Blue, 6.84 x 4.56) vs. 2ct Sapphire (Trillion, Blue, 8.86 x 8.86)
- 1ct Sapphire (Cabochon, Blue, 6.84 x 4.56) vs. 2ct Diamond (Round, White, 8.19 x 8.19)