22ct Tourmaline (Trillion, 22.4×22.4mm, Purple) vs 22ct Quartz (Trillion, 23.5×23.5mm, Brown)
Quick summary: When looked from above (face-up position), 22ct Quartz (23.5×23.5mm, trillion cut) appears 10% larger than 22ct Tourmaline (22.4×22.4mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 22ct Tourmaline (trillion cut) |
vs
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22ct Quartz (trillion cut) |
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purple |
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| 22.4×22.4 mm | 23.5×23.5 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
22ct Tourmaline Trillion (22.4×22.4mm, Purple)
and
22ct Quartz Trillion (23.5×23.5mm, Brown)
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, Tourmaline will face-up smaller than Quartz for a given
carat weight, because it has higher specific gravity
(3.06 vs. 2.65 - this means it's "heavier" compared to Quartz 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.
| 22 Ct Tourmaline (Trillion) | 22 Ct Quartz (Trillion) | |
| 22.4×22.4 mm | vs | 23.5×23.5 mm |
| 311.09 mm² | 342.4 mm² |
| 22ct Tourmaline Trillion (22.4×22.4mm) | |
| 22ct Quartz Trillion (23.5×23.5mm) | |
| Difference: 10% (31.31 mm²) |
22ct Quartz (Trillion, 23.5×23.5mm) has approx. 10% more face-up area than 22ct Tourmaline (Trillion, 22.4×22.4mm).
Popular comparisons:
- 4.93ct Tourmaline (Trillion, Red, 13.02 x 13.02) vs. 5.66ct Tourmaline (Trillion, Green, 13.64 x 13.64)
- 2ct Tourmaline (Trillion, Violet, 9.64 x 9.64) vs. 6.5ct Tourmaline (Emerald, Violet, 12.97 x 9.61)
- 2.5ct Tourmaline (Trillion, Light Red, 10.39 x 10.39) vs. 1ct Sapphire (Princess, Blue, 5.37 x 5.37)
- 2ct Tourmaline (Trillion, Violet, 8.8 x 8.6) vs. 2ct Tourmaline (Trillion, Violet, 9 x 9)
- 2.7ct Tourmaline (Trillion, Violet, 10.66 x 10.66) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1ct Tourmaline (Trillion, Violet, 7.65 x 7.65) vs. 2.7ct Morganite (Trillion, Light Purple, 11.16 x 11.16)
- 1ct Tourmaline (Trillion, Violet, 7.65 x 7.65) vs. 1ct Diopside (Marquise, Green, 10.52 x 5.26)
- 1ct Tourmaline (Trillion, Red, 7.65 x 7.65) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5ct Tourmaline (Trillion, Light Green , 13.08 x 13.08) vs. 1ct Diamond (Round, White, 6.5 x 6.5)