1ct Sapphire (Trillion, 7.03×7.03mm, Blue) vs 1ct Emerald (Cabochon, 7×5mm, Green)
Quick summary: When looked from above (face-up position), 1ct Sapphire (7.03×7.03mm, trillion cut) appears 7% larger than 1ct Emerald (7×5mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 1ct Sapphire (trillion cut) |
vs
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1ct Emerald (cabochon cut) |
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blue |
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| 7.03×7.03 mm | 7×5 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 Trillion (7.03×7.03mm, Blue)
and
1ct Emerald Cabochon (7×5mm, 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 (Trillion) | 1 Ct Emerald (Cabochon) | |
| 7.03×7.03 mm | vs | 7×5 mm |
| 30.64 mm² | 28.7 mm² |
| 1ct Sapphire Trillion (7.03×7.03mm) | |
| 1ct Emerald Cabochon (7×5mm) | |
| Difference: 7% (1.94 mm²) |
1ct Sapphire (Trillion, 7.03×7.03mm) has approx. 7% more face-up area than 1ct Emerald (Cabochon, 7×5mm).
Popular comparisons:
- 1ct Sapphire (Trillion, Blue, 7.03 x 7.03) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Sapphire (Trillion, Blue, 7.03 x 7.03) vs. 2ct Emerald (Round, Green, 8.59 x 8.59)
- 1ct Sapphire (Trillion, Blue, 7.03 x 7.03) vs. 0.9ct Sapphire (Round, Blue, 5.77 x 5.77)
- 1ct Sapphire (Trillion, Blue, 7.03 x 7.03) vs. 1ct Sapphire (Cushion, Blue, 5.59 x 5.59)
- 1ct Sapphire (Trillion, Blue, 7.03 x 7.03) vs. 7.6ct Sapphire (Trillion, Blue, 13.82 x 13.82)
- 1ct Sapphire (Trillion, Blue, 7.03 x 7.03) vs. 1ct Tanzanite (Emerald, Light Blue, 6.8 x 5.04)
- 1ct Sapphire (Trillion, Blue, 7.03 x 7.03) vs. 1ct Emerald (Trillion, Green, 8.01 x 8.01)
- 1ct Sapphire (Trillion, Blue, 7.03 x 7.03) vs. 20.5ct Tanzanite (Oval, Blue, 22.07 x 14.71)