18ct Zircon (Trillion, 18.16×18.16mm, Orange) vs 18ct Pyrope (Trillion, 19.52×19.52mm, Red)
Quick summary: When looked from above (face-up position), 18ct Pyrope (19.52×19.52mm, trillion cut) appears 16% larger than 18ct Zircon (18.16×18.16mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 18ct Zircon (trillion cut) |
vs
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18ct Pyrope (trillion cut) |
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orange |
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| 18.16×18.16 mm | 19.52×19.52 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 Trillion (18.16×18.16mm, Orange)
and
18ct Pyrope Trillion (19.52×19.52mm, 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 (Trillion) | 18 Ct Pyrope (Trillion) | |
| 18.16×18.16 mm | vs | 19.52×19.52 mm |
| 204.47 mm² | 236.24 mm² |
| 18ct Zircon Trillion (18.16×18.16mm) | |
| 18ct Pyrope Trillion (19.52×19.52mm) | |
| Difference: 16% (31.77 mm²) |
18ct Pyrope (Trillion, 19.52×19.52mm) has approx. 16% more face-up area than 18ct Zircon (Trillion, 18.16×18.16mm).
Popular comparisons:
- 0.5ct Zircon (Trillion, Orange, 5.31 x 5.31) vs. 1.1ct Morganite (Trillion, Light Purple, 8.27 x 8.27)
- 4ct Zircon (Trillion, Bluish Green, 10.61 x 10.61) vs. 5ct Tourmaline (Baguette, Red, 12.9 x 8.6)
- 4ct Zircon (Trillion, Orange, 10.61 x 10.61) vs. 4ct Aquamarine (Trillion, Light Blue, 12.72 x 12.72)
- 4.77ct Zircon (Trillion, Bluish Green, 11.25 x 11.25) vs. 4.77ct Amethyst (Trillion, Violet, 13.57 x 13.57)
- 4.77ct Zircon (Trillion, Bluish Green, 11.25 x 11.25) vs. 4.77ct Spinel (Trillion, Red, 12.25 x 12.25)
- 4.77ct Zircon (Trillion, Bluish Green, 11.25 x 11.25) vs. 4.77ct Ruby (Trillion, Red, 11.83 x 11.83)
- 1.5ct Zircon (Trillion, Bluish Green, 7.65 x 7.65) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4ct Zircon (Trillion, Bluish Green, 10.61 x 10.61) vs. 5ct Tourmaline (Baguette, Light Red, 12.9 x 8.6)
- 5ct Zircon (Trillion, Dark Violet, 11.43 x 11.43) vs. 0.05ct Ruby (Trillion, Light Red, 2.59 x 2.59)