8ct Emerald (Pear, 18.94×11.41mm, Green) vs 4ct Sapphire (Oval, 12×8mm, Blue)
Quick summary: When looked from above (face-up position), 8ct Emerald (18.94×11.41mm, pear cut) appears 100% larger than 4ct Sapphire (12×8mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 8ct Emerald (pear cut) |
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4ct Sapphire (oval cut) |
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green |
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| 18.94×11.41 mm | 12×8 mm | |
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Actual sizes of
8ct Emerald Pear (18.94×11.41mm, Green)
and
4ct Sapphire Oval (12×8mm, Blue)
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. 2.7 - 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.
| 8 Ct Emerald (Pear) | 4 Ct Sapphire (Oval) | |
| 18.94×11.41 mm | vs | 12×8 mm |
| 157.76 mm² | 78.72 mm² |
| 8ct Emerald Pear (18.94×11.41mm) | |
| 4ct Sapphire Oval (12×8mm) | |
| Difference: 100% (79.04 mm²) |
8ct Emerald Pear (18.94×11.41mm) has approx. 100% more face-up area than 4ct Sapphire Oval (12×8mm).
Popular comparisons:
- 8ct Emerald (Pear, Green, 18.94 x 11.41) vs. 6ct Emerald (Emerald, Green, 13.23 x 9.8)
- 8ct Emerald (Pear, Green, 18.94 x 11.41) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
- 8ct Emerald (Pear, Green, 18.94 x 11.41) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 35ct Emerald (Pear, Green, 30.98 x 18.66) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3.3ct Emerald (Pear, Green, 13 x 9.5) vs. 2.4ct Emerald (Oval, Green, 11 x 9)
- 1ct Emerald (Pear, Green, 9.46 x 5.7) vs. 2ct Emerald (Pear, Green, 11.94 x 7.19)
- 2ct Emerald (Pear, Green, 11.94 x 7.19) vs. 1ct Emerald (Pear, Green, 9.46 x 5.7)
- 0.5ct Emerald (Pear, Green, 7.52 x 4.53) vs. 1ct Emerald (Pear, Green, 9.46 x 5.7)
Enter your screen size (diagonal)
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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.