20ct Topaz (Pear, 23.51×14.16mm, Blue) vs 20ct Emerald (Pear, 25.7×15.48mm, Green)
Quick summary: When looked from above (face-up position), 20ct Emerald (25.7×15.48mm, pear cut) appears 20% larger than 20ct Topaz (23.51×14.16mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 20ct Topaz (pear cut) |
vs
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20ct Emerald (pear cut) |
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blue |
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| 23.51×14.16 mm | 25.7×15.48 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
20ct Topaz Pear (23.51×14.16mm, Blue)
and
20ct Emerald Pear (25.7×15.48mm, 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, Topaz will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.53 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.
| 20 Ct Topaz (Pear) | 20 Ct Emerald (Pear) | |
| 23.51×14.16 mm | vs | 25.7×15.48 mm |
| 243.02 mm² | 290.42 mm² |
| 20ct Topaz Pear (23.51×14.16mm) | |
| 20ct Emerald Pear (25.7×15.48mm) | |
| Difference: 20% (47.4 mm²) |
20ct Emerald (Pear, 25.7×15.48mm) has approx. 20% more face-up area than 20ct Topaz (Pear, 23.51×14.16mm).
Popular comparisons:
- 20ct Topaz (Pear, Blue, 23.51 x 14.16) vs. 20ct Topaz (Trillion, Blue, 19.89 x 19.89)
- 0.18ct Topaz (Pear, Blue, 4.9 x 2.95) vs. 1ct Topaz (Pear, Blue, 8.67 x 5.22)
- 26ct Topaz (Pear, Bluish Green, 25.65 x 15.45) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 40ct Topaz (Pear, Blue, 29.61 x 17.84) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.5ct Topaz (Pear, Blue, 9.91 x 5.97) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 40ct Topaz (Pear, Blue, 29.61 x 17.84) vs. 20ct Topaz (Trillion, Blue, 19.89 x 19.89)
- 2ct Topaz (Pear, Blue, 10.91 x 6.57) vs. 2ct Topaz (Round, Blue, 7.85 x 7.85)
- 2ct Topaz (Pear, Blue, 10 x 7) vs. 2ct Topaz (Emerald, Blue, 8 x 6)