1ct Peridot (Pear, 8.81×5.31mm, Yellowish Green) vs 2ct Diamond (Round, 8.19×8.19mm, White)
Quick summary: When looked from above (face-up position), 2ct Diamond (8.19×8.19mm, round cut) appears 54% larger than 1ct Peridot (8.81×5.31mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 1ct Peridot (pear cut) |
vs
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2ct Diamond (round cut) |
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yellowish green |
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| 8.81×5.31 mm | 8.19×8.19 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
1ct Peridot Pear (8.81×5.31mm, Yellowish Green)
and
2ct Diamond Round (8.19×8.19mm, 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 Ct Peridot (Pear) | 2 Ct Diamond (Round) | |
| 8.81×5.31 mm | vs | 8.19×8.19 mm |
| 34.15 mm² | 52.68 mm² |
| 1ct Peridot Pear (8.81×5.31mm) | |
| 2ct Diamond Round (8.19×8.19mm) | |
| Difference: 54% (18.53 mm²) |
2ct Diamond (Round, 8.19×8.19mm) has approx. 54% more face-up area than 1ct Peridot (Pear, 8.81×5.31mm).
Popular comparisons:
- 1ct Peridot (Pear, Yellowish Green, 8.81 x 5.31) vs. 1ct Tourmaline (Oval, Violet, 8.24 x 5.49)
- 1ct Peridot (Pear, Yellowish Green, 8.81 x 5.31) vs. 1ct Diamond (Pear, White, 9.05 x 5.45)
- 1ct Peridot (Pear, Yellowish Green, 8.81 x 5.31) vs. 0.12ct Sapphire (Round, Blue, 2.95 x 2.95)
- 1ct Peridot (Pear, Yellowish Green, 8.81 x 5.31) vs. 1ct Topaz (Pear, Blue, 8.67 x 5.22)
- 1ct Peridot (Pear, Yellowish Green, 8.81 x 5.31) vs. 1ct Benitoite (Cushion, Blue, 5.76 x 5.76)
- 1ct Peridot (Pear, Yellowish Green, 8.81 x 5.31) vs. 1ct Diamond (Round, White, 7 x 7)
- 1ct Peridot (Pear, Yellowish Green, 8.81 x 5.31) vs. 1.25ct Diamond (Pear, White, 9.74 x 5.87)
- 0.7ct Peridot (Pear, Yellowish Green, 7.82 x 4.71) vs. 1.6ct Emerald (Pear, Green, 11.07 x 6.67)