20ct Pyrope (Cushion, 15.31×15.31mm, Red) vs 20ct Sunstone (Cushion, 17.24×17.24mm, Orangey Red)
Quick summary: When looked from above (face-up position), 20ct Sunstone (17.24×17.24mm, cushion cut) appears 27% larger than 20ct Pyrope (15.31×15.31mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 20ct Pyrope (cushion cut) |
vs
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20ct Sunstone (cushion cut) |
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red |
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| 15.31×15.31 mm | 17.24×17.24 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
20ct Pyrope Cushion (15.31×15.31mm, Red)
and
20ct Sunstone Cushion (17.24×17.24mm, Orangey Red)
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, Pyrope will face-up smaller than Sunstone for a given
carat weight, because it has higher specific gravity
(3.78 vs. 2.65 - this means it's "heavier" compared to Sunstone 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.
| 20 Ct Pyrope (Cushion) | 20 Ct Sunstone (Cushion) | |
| 15.31×15.31 mm | vs | 17.24×17.24 mm |
| 210.96 mm² | 267.5 mm² |
| 20ct Pyrope Cushion (15.31×15.31mm) | |
| 20ct Sunstone Cushion (17.24×17.24mm) | |
| Difference: 27% (56.54 mm²) |
20ct Sunstone (Cushion, 17.24×17.24mm) has approx. 27% more face-up area than 20ct Pyrope (Cushion, 15.31×15.31mm).
Popular comparisons:
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- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)
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- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)