18ct Zircon (Heart, 15.54×15.54mm, Orange) vs 18ct Pyrope (Heart, 16.71×16.71mm, Red)
Quick summary: When looked from above (face-up position), 18ct Pyrope (16.71×16.71mm, heart cut) appears 16% larger than 18ct Zircon (15.54×15.54mm, heart cut). See below how they compare side-by-side on a ring and finger.
| 18ct Zircon (heart cut) |
vs
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18ct Pyrope (heart cut) |
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orange |
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| 15.54×15.54 mm | 16.71×16.71 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 Zircon Heart (15.54×15.54mm, Orange)
and
18ct Pyrope Heart (16.71×16.71mm, 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, Zircon will face-up smaller than Pyrope for a given
carat weight, because it has higher specific gravity
(4.7 vs. 3.78 - this means it's "heavier" compared to Pyrope 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 Zircon (Heart) | 18 Ct Pyrope (Heart) | |
| 15.54×15.54 mm | vs | 16.71×16.71 mm |
| 173.87 mm² | 201.04 mm² |
| 18ct Zircon Heart (15.54×15.54mm) | |
| 18ct Pyrope Heart (16.71×16.71mm) | |
| Difference: 16% (27.17 mm²) |
18ct Pyrope (Heart, 16.71×16.71mm) has approx. 16% more face-up area than 18ct Zircon (Heart, 15.54×15.54mm).
Popular comparisons:
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- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)