1ct Peridot (Cushion, 5.93×5.93mm, 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 66% larger than 1ct Peridot (5.93×5.93mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 1ct Peridot (cushion cut) |
vs
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2ct Diamond (round cut) |
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yellowish green |
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| 5.93×5.93 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 Cushion (5.93×5.93mm, 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 (Cushion) | 2 Ct Diamond (Round) | |
| 5.93×5.93 mm | vs | 8.19×8.19 mm |
| 31.65 mm² | 52.68 mm² |
| 1ct Peridot Cushion (5.93×5.93mm) | |
| 2ct Diamond Round (8.19×8.19mm) | |
| Difference: 66% (21.03 mm²) |
2ct Diamond (Round, 8.19×8.19mm) has approx. 66% more face-up area than 1ct Peridot (Cushion, 5.93×5.93mm).
Popular comparisons:
- 1ct Peridot (Cushion, Yellowish Green, 5.93 x 5.93) vs. 1ct Emerald (Cushion, Green, 6.37 x 6.37)
- 1ct Peridot (Cushion, Yellowish Green, 5.93 x 5.93) vs. 1ct Diamond (Cushion, White, 5.83 x 5.83)
- 1ct Peridot (Cushion, Yellowish Green, 5.93 x 5.93) vs. 1.2ct Peridot (Cushion, Yellowish Green, 6.3 x 6.3)
- 1ct Peridot (Cushion, Yellowish Green, 5.93 x 5.93) vs. 1ct Tanzanite (Cushion, Blue, 6 x 6)
- 1ct Peridot (Cushion, Yellowish Green, 5.93 x 5.93) vs. 1.1ct Peridot (Cushion, Yellowish Green, 6.12 x 6.12)
- 1ct Peridot (Cushion, Yellowish Green, 5.93 x 5.93) vs. 1ct Tourmaline (Princess, Light Green , 5.85 x 5.85)
- 1ct Peridot (Cushion, Yellowish Green, 5.93 x 5.93) vs. 1ct Tourmaline (Cushion, Light Green , 6.09 x 6.09)
- 1ct Peridot (Cushion, Yellowish Green, 5.93 x 5.93) vs. 2.75ct Quartz (Oval, Orangey Red, 12.15 x 8.1)