1.5ct Peridot (Round, 7.26×7.26mm, Yellowish Green) vs 1ct Diamond (Round, 7×7mm, White)
Quick summary: When looked from above (face-up position), 1.5ct Peridot (7.26×7.26mm, round cut) appears 8% larger than 1ct Diamond (7×7mm, 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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1ct Diamond (round cut) |
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yellowish green |
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| 7.26×7.26 mm | 7×7 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
1ct Diamond Round (7×7mm, White)
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, Diamond will face-up smaller than Peridot for a given
carat weight, because it has higher specific gravity
(3.52 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) | 1 Ct Diamond (Round) | |
| 7.26×7.26 mm | vs | 7×7 mm |
| 41.4 mm² | 38.48 mm² |
| 1.5ct Peridot Round (7.26×7.26mm) | |
| 1ct Diamond Round (7×7mm) | |
| Difference: 8% (2.92 mm²) |
1.5ct Peridot (Round, 7.26×7.26mm) has approx. 8% more face-up area than 1ct Diamond (Round, 7×7mm).
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 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)
- 1.5ct Peridot (Round, Yellowish Green, 7.26 x 7.26) vs. 4.5ct Topaz (Cushion, Blue, 9.62 x 9.62)