16ct Tourmaline (Pear, 23.44×14.12mm, Purple) vs 16ct Quartz (Pear, 24.58×14.81mm, Brown)
Quick summary: When looked from above (face-up position), 16ct Quartz (24.58×14.81mm, pear cut) appears 10% larger than 16ct Tourmaline (23.44×14.12mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 16ct Tourmaline (pear cut) |
vs
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16ct Quartz (pear cut) |
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purple |
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| 23.44×14.12 mm | 24.58×14.81 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
16ct Tourmaline Pear (23.44×14.12mm, Purple)
and
16ct Quartz Pear (24.58×14.81mm, 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.
| 16 Ct Tourmaline (Pear) | 16 Ct Quartz (Pear) | |
| 23.44×14.12 mm | vs | 24.58×14.81 mm |
| 241.61 mm² | 265.74 mm² |
| 16ct Tourmaline Pear (23.44×14.12mm) | |
| 16ct Quartz Pear (24.58×14.81mm) | |
| Difference: 10% (24.13 mm²) |
16ct Quartz (Pear, 24.58×14.81mm) has approx. 10% more face-up area than 16ct Tourmaline (Pear, 23.44×14.12mm).
Popular comparisons:
- 1ct Tourmaline (Pear, Violet, 8.75 x 5.11) vs. 1ct Tourmaline (Trillion, Violet, 8 x 8)
- 2.5ct Tourmaline (Pear, Violet, 10.5 x 7.5) vs. 1.4ct Tourmaline (Pear, Violet, 8.7 x 6.5)
- 15ct Tourmaline (Pear, Light Orange, 22.29 x 13.43) vs. 4ct Ruby (Pear, Red, 13.18 x 7.94)
- 5.53ct Tourmaline (Pear, Violet, 15.99 x 9.63) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 3.33ct Tourmaline (Pear, Violet, 13.5 x 8.13) vs. 1.5ct Spinel (Marquise, Red, 11.7 x 5.85)
- 1ct Tourmaline (Pear, Violet, 9.05 x 5.45) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.91ct Tourmaline (Pear, Violet, 14 x 7) vs. 2ct Emerald (Princess, Green, 7.72 x 7.72)
- 1.91ct Tourmaline (Pear, Violet, 14 x 7) vs. 0.9ct Emerald (Oval, Green, 8.33 x 5.55)
- 0.8ct Tourmaline (Pear, Violet, 8.4 x 5.06) vs. 0.94ct Spinel (Pear, Red, 8.43 x 5.08)