13ct Pyrope (Heart, 15×15mm, Red) vs 13ct Sunstone (Heart, 16.88×16.88mm, Orangey Red)
Quick summary: When looked from above (face-up position), 13ct Sunstone (16.88×16.88mm, heart cut) appears 27% larger than 13ct Pyrope (15×15mm, heart cut). See below how they compare side-by-side on a ring and finger.
| 13ct Pyrope (heart cut) |
vs
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13ct Sunstone (heart cut) |
|
red |
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| 15×15 mm | 16.88×16.88 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
13ct Pyrope Heart (15×15mm, Red)
and
13ct Sunstone Heart (16.88×16.88mm, 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.
| 13 Ct Pyrope (Heart) | 13 Ct Sunstone (Heart) | |
| 15×15 mm | vs | 16.88×16.88 mm |
| 162 mm² | 205.15 mm² |
| 13ct Pyrope Heart (15×15mm) | |
| 13ct Sunstone Heart (16.88×16.88mm) | |
| Difference: 27% (43.15 mm²) |
13ct Sunstone (Heart, 16.88×16.88mm) has approx. 27% more face-up area than 13ct Pyrope (Heart, 15×15mm).
Popular comparisons:
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- 6ct Morganite (Cushion, Light Red, 12 x 10) vs. 3.5ct Sapphire (Cushion, Blue, 8.49 x 8.49)
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- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)