20ct Emerald (Pear, 25.7×15.48mm, Green) vs 13ct Sapphire (Oval, 16×12mm, Blue)
Quick summary: When looked from above (face-up position), 20ct Emerald (25.7×15.48mm, pear cut) appears 84% larger than 13ct Sapphire (16×12mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 20ct Emerald (pear cut) |
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13ct Sapphire (oval cut) |
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green |
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| 25.7×15.48 mm | 16×12 mm | |
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Actual sizes of
20ct Emerald Pear (25.7×15.48mm, Green)
and
13ct Sapphire Oval (16×12mm, 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.
| 20 Ct Emerald (Pear) | 13 Ct Sapphire (Oval) | |
| 25.7×15.48 mm | vs | 16×12 mm |
| 290.42 mm² | 157.44 mm² |
| 20ct Emerald Pear (25.7×15.48mm) | |
| 13ct Sapphire Oval (16×12mm) | |
| Difference: 84% (132.98 mm²) |
20ct Emerald Pear (25.7×15.48mm) has approx. 84% more face-up area than 13ct Sapphire Oval (16×12mm).
Popular comparisons:
- 20ct Emerald (Pear, Green, 25.7 x 15.48) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 20ct Emerald (Pear, Green, 25.7 x 15.48) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
- 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)
- 0.85ct Emerald (Pear, Green, 8.96 x 5.4) vs. 0.85ct Ruby (Pear, Red, 7.87 x 4.74)
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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.