30ct Tourmaline (Baguette, 23.55×15.7mm, Purple) vs 30ct Quartz (Baguette, 24.71×16.47mm, Brown)
Quick summary: When looked from above (face-up position), 30ct Quartz (24.71×16.47mm, baguette cut) appears 10% larger than 30ct Tourmaline (23.55×15.7mm, baguette cut). See below how they compare side-by-side on a ring and finger.
| 30ct Tourmaline (baguette cut) |
vs
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30ct Quartz (baguette cut) |
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purple |
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| 23.55×15.7 mm | 24.71×16.47 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
30ct Tourmaline Baguette (23.55×15.7mm, Purple)
and
30ct Quartz Baguette (24.71×16.47mm, 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.
| 30 Ct Tourmaline (Baguette) | 30 Ct Quartz (Baguette) | |
| 23.55×15.7 mm | vs | 24.71×16.47 mm |
| 369.74 mm² | 406.97 mm² |
| 30ct Tourmaline Baguette (23.55×15.7mm) | |
| 30ct Quartz Baguette (24.71×16.47mm) | |
| Difference: 10% (37.23 mm²) |
30ct Quartz (Baguette, 24.71×16.47mm) has approx. 10% more face-up area than 30ct Tourmaline (Baguette, 23.55×15.7mm).
Popular comparisons:
- 2.6ct Tourmaline (Baguette, Violet, 10.38 x 6.92) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Tourmaline (Baguette, Light Green , 7.55 x 5.03) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.4ct Tourmaline (Baguette, Violet, 8.45 x 5.63) vs. 1ct Amethyst (Baguette, Violet, 7.95 x 5.3)
- 1ct Tourmaline (Baguette, Dark Yellowish Green, 8.4 x 4.7) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Tourmaline (Baguette, Light Green , 7.55 x 5.03) vs. 1ct Tourmaline (Round, Green, 6.51 x 6.51)
- 1.1ct Tourmaline (Baguette, Violet, 7.79 x 5.19) vs. 0.3ct Diamond (Round, White, 4.35 x 4.35)
- 1.5ct Tourmaline (Baguette, Dark Bluish Green, 8.64 x 5.76) vs. 1.5ct Tourmaline (Princess, Dark Bluish Green, 6.7 x 6.7)
- 0.5ct Tourmaline (Baguette, Light Green , 5.99 x 3.99) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 10ct Tourmaline (Baguette, Violet, 16.26 x 10.84) vs. 25ct Tourmaline (Baguette, Violet, 22.07 x 14.71)