1.5ct Peridot (Round, 7.26×7.26mm, Yellowish Green) vs 4.5ct Topaz (Cushion, 9.62×9.62mm, Blue)
Quick summary: When looked from above (face-up position), 4.5ct Topaz (9.62×9.62mm, cushion cut) appears 2 times larger than 1.5ct Peridot (7.26×7.26mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Peridot (round cut) |
vs
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4.5ct Topaz (cushion cut) |
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yellowish green |
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| 7.26×7.26 mm | 9.62×9.62 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
1.5ct Peridot Round (7.26×7.26mm, Yellowish Green)
and
4.5ct Topaz Cushion (9.62×9.62mm, 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, Topaz will face-up smaller than Peridot for a given
carat weight, because it has higher specific gravity
(3.53 vs. 3.34 - this means it's "heavier" compared to Peridot 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.
| 1.5 Ct Peridot (Round) | 4.5 Ct Topaz (Cushion) | |
| 7.26×7.26 mm | vs | 9.62×9.62 mm |
| 41.4 mm² | 83.29 mm² |
| 1.5ct Peridot Round (7.26×7.26mm) | |
| 4.5ct Topaz Cushion (9.62×9.62mm) | |
| Difference: 101% (41.89 mm²) |
4.5ct Topaz (Cushion, 9.62×9.62mm) has approx. 101% more face-up area than 1.5ct Peridot (Round, 7.26×7.26mm). In other words, it's 2.01x larger.
Popular comparisons:
- 1.5ct Peridot (Round, Yellowish Green, 7.26 x 7.26) vs. 1.5ct Diamond (Round, White, 7.44 x 7.44)
- 1.5ct Peridot (Round, Yellowish Green, 7.26 x 7.26) vs. 6ct Topaz (Cushion, Bluish Green, 10.59 x 10.59)
- 1.5ct Peridot (Round, Yellowish Green, 7.26 x 7.26) vs. 1ct Diamond (Round, White, 7 x 7)
- 1.5ct Peridot (Round, Yellowish Green, 7.26 x 7.26) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.5ct Peridot (Round, Yellowish Green, 7.26 x 7.26) vs. 1.15ct Sapphire (Pear, Blue, 8.7 x 5.24)
- 1.5ct Peridot (Round, Yellowish Green, 7.26 x 7.26) vs. 0.17ct Emerald (Princess, Green, 3.39 x 3.39)
- 1.5ct Peridot (Round, Yellowish Green, 7.26 x 7.26) vs. 0.33ct Peridot (Round, Yellowish Green, 4.38 x 4.38)
- 1.5ct Peridot (Round, Yellowish Green, 7.26 x 7.26) vs. 6ct Topaz (Cushion, Blue, 10.59 x 10.59)