18ct Apatite (Oval, 21.65×14.43mm, Green) vs 18ct Peridot (Oval, 21.35×14.23mm, Yellowish Green)
Quick summary: When looked from above (face-up position), 18ct Apatite (21.65×14.43mm, oval cut) appears 3% larger than 18ct Peridot (21.35×14.23mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 18ct Apatite (oval cut) |
vs
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18ct Peridot (oval cut) |
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green |
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| 21.65×14.43 mm | 21.35×14.23 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
18ct Apatite Oval (21.65×14.43mm, Green)
and
18ct Peridot Oval (21.35×14.23mm, Yellowish 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, Peridot will face-up smaller than Apatite for a given
carat weight, because it has higher specific gravity
(3.34 vs. 3.2 - this means it's "heavier" compared to Apatite 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.
| 18 Ct Apatite (Oval) | 18 Ct Peridot (Oval) | |
| 21.65×14.43 mm | vs | 21.35×14.23 mm |
| 256.18 mm² | 249.12 mm² |
| 18ct Apatite Oval (21.65×14.43mm) | |
| 18ct Peridot Oval (21.35×14.23mm) | |
| Difference: 3% (7.06 mm²) |
18ct Apatite (Oval, 21.65×14.43mm) has approx. 3% more face-up area than 18ct Peridot (Oval, 21.35×14.23mm).
Popular comparisons:
- 1ct Apatite (Oval, Green, 8.15 x 5.43) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.58ct Apatite (Oval, Green, 6.8 x 4.53) vs. 0.13ct Ruby (Round, Red, 3.03 x 3.03)
- 2ct Apatite (Oval, Green, 10.26 x 6.84) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.8ct Apatite (Oval, Green, 9.92 x 6.61) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3ct Apatite (Oval, Green, 11.75 x 7.83) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.9ct Apatite (Oval, Green, 7.86 x 5.24) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Apatite (Oval, Green, 8.15 x 5.43) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
- 1ct Apatite (Oval, Bluish Green, 8.15 x 5.43) vs. 1ct Topaz (Oval, Blue, 7.89 x 5.26)
- 0.8ct Apatite (Oval, Green, 7.56 x 5.04) vs. 0.8ct Diamond (Oval, White, 7.53 x 5.02)