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22ct Quartz (Princess, 17.28×17.28mm, Gray) vs 0.71ct Tourmaline (Princess, 5.22×5.22mm, Dark Green)


Quick summary: When looked from above (face-up position), 22ct Quartz (17.28×17.28mm, princess cut) appears 11 times larger than 0.71ct Tourmaline (5.22×5.22mm, princess cut). See below how they compare side-by-side on a ring and finger.

22ct Quartz (princess cut)
vs
 0.71ct Tourmaline (princess cut)
gray
 
dark green
17.28×17.28 mm 5.22×5.22 mm
actual size
Actual size of 22ct Quartz (princess cut, 17.28×17.28mm, Gray color)   Actual size of 0.71ct Tourmaline (princess cut, 5.22×5.22mm, Dark Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Gray 22ct Quartz (princess cut, 17.28×17.28mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Dark Green 0.71ct Tourmaline (princess cut, 5.22×5.22mm) on a right ring and finger
Your settings
Ring
 Gold
Skin tone
 Light
Ring diameter
 16.9 mm
Ring width
 3.0 mm
Finger length
 64 mm
Finger coverage
 103% vs 31%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 22ct Quartz Princess (17.28×17.28mm, Gray) and 0.71ct Tourmaline Princess (5.22×5.22mm, Dark 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, 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.


22 Ct Quartz (Princess) 0.71 Ct Tourmaline (Princess)
17.28×17.28 mm vs 5.22×5.22 mm
298.6 mm²   27.25 mm²
Face-up size outline for 22ct Quartz (17.28×17.28mm, princess cut)
Face-up size outline for 0.71ct Tourmaline (5.22×5.22mm, princess cut)
22ct Quartz Princess (17.28×17.28mm)
0.71ct Tourmaline Princess (5.22×5.22mm)
Difference: 996% (271.35 mm²)
22ct Quartz (Princess, 17.28×17.28mm) has approx. 996% more face-up area than 0.71ct Tourmaline (Princess, 5.22×5.22mm). In other words, it's 10.96x larger.


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