1ct Tourmaline (Cabochon, 7.46×4.97mm, Dark Bluish Green) vs 1ct Hiddenite (Cabochon, 7.38×4.92mm, Green)
Quick summary: When looked from above (face-up position), 1ct Tourmaline (7.46×4.97mm, cabochon cut) appears 2% larger than 1ct Hiddenite (7.38×4.92mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 1ct Tourmaline (cabochon cut) |
vs
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1ct Hiddenite (cabochon cut) |
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dark bluish green |
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| 7.46×4.97 mm | 7.38×4.92 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
1ct Tourmaline Cabochon (7.46×4.97mm, Dark Bluish Green)
and
1ct Hiddenite Cabochon (7.38×4.92mm, Green)
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, Hiddenite will face-up smaller than Tourmaline for a given
carat weight, because it has higher specific gravity
(3.18 vs. 3.06 - this means it's "heavier" compared to Tourmaline 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.
| 1 Ct Tourmaline (Cabochon) | 1 Ct Hiddenite (Cabochon) | |
| 7.46×4.97 mm | vs | 7.38×4.92 mm |
| 30.4 mm² | 29.77 mm² |
| 1ct Tourmaline Cabochon (7.46×4.97mm) | |
| 1ct Hiddenite Cabochon (7.38×4.92mm) | |
| Difference: 2% (0.63 mm²) |
1ct Tourmaline (Cabochon, 7.46×4.97mm) has approx. 2% more face-up area than 1ct Hiddenite (Cabochon, 7.38×4.92mm).
Popular comparisons:
- 1.2ct Tourmaline (Cabochon, Violet, 7.92 x 5.28) vs. 0.45ct Sapphire (Pear, Blue, 6.36 x 3.83)
- 4ct Tourmaline (Cabochon, Violet, 11.82 x 7.88) vs. 5ct Emerald (Cabochon, Green, 13.34 x 8.89)
- 1ct Tourmaline (Cabochon, Violet, 7.46 x 4.97) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 22ct Tourmaline (Cabochon, Purple, 20.97 x 13.98) vs. 22ct Quartz (Cabochon, Brown, 21.99 x 14.66)
- 3.87ct Tourmaline (Cabochon, Violet, 11.7 x 7.8) vs. 2.87ct Tourmaline (Oval, Violet, 11.7 x 7.8)
- 4.98ct Tourmaline (Cabochon, Violet, 12.72 x 8.48) vs. 4.13ct Tourmaline (Cabochon, Violet, 11.96 x 7.97)
- 4.98ct Tourmaline (Cabochon, Violet, 12.72 x 8.48) vs. 4.13ct Ruby (Cabochon, Red, 10.98 x 7.32)
- 2.85ct Tourmaline (Cabochon, Violet, 10.56 x 7.04) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)