20ct Morganite (Cabochon, 20.93×13.95mm, Light Purple) vs 20ct Quartz (Cabochon, 21.32×14.21mm, Brown)
Quick summary: When looked from above (face-up position), 20ct Quartz (21.32×14.21mm, cabochon cut) appears 4% larger than 20ct Morganite (20.93×13.95mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 20ct Morganite (cabochon cut) |
vs
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20ct Quartz (cabochon cut) |
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light purple |
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| 20.93×13.95 mm | 21.32×14.21 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
20ct Morganite Cabochon (20.93×13.95mm, Light Purple)
and
20ct Quartz Cabochon (21.32×14.21mm, 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, Morganite will face-up smaller than Quartz for a given
carat weight, because it has higher specific gravity
(2.8 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.
| 20 Ct Morganite (Cabochon) | 20 Ct Quartz (Cabochon) | |
| 20.93×13.95 mm | vs | 21.32×14.21 mm |
| 239.42 mm² | 248.42 mm² |
| 20ct Morganite Cabochon (20.93×13.95mm) | |
| 20ct Quartz Cabochon (21.32×14.21mm) | |
| Difference: 4% (9 mm²) |
20ct Quartz (Cabochon, 21.32×14.21mm) has approx. 4% more face-up area than 20ct Morganite (Cabochon, 20.93×13.95mm).
Popular comparisons:
- 5ct Morganite (Cabochon, Light Purple, 13.34 x 8.89) vs. 5ct Diamond (Pear, White, 15.47 x 9.32)
- 1ct Morganite (Cabochon, Light Purple, 7.8 x 5.2) vs. 1ct Sapphire (Emerald, Light Violet, 6.39 x 4.73)
- 2ct Morganite (Cabochon, Light Purple, 9.83 x 6.55) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1ct Morganite (Cabochon, Light Red, 7.8 x 5.2) vs. 1ct Diamond (Pear, White, 9.05 x 5.45)
- 0.7ct Morganite (Cabochon, Light Red, 6.93 x 4.62) vs. 0.75ct Diamond (Round, White, 5.91 x 5.91)
- 1.35ct Morganite (Cabochon, Light Purple, 8.63 x 5.75) vs. 1.35ct Diamond (Oval, White, 8.97 x 5.98)
- 4.89ct Morganite (Cabochon, Light Purple, 13.25 x 8.83) vs. 4.13ct Morganite (Cabochon, Light Purple, 12.51 x 8.34)
- 2ct Morganite (Cabochon, Light Red, 9.83 x 6.55) vs. 3ct Topaz (Cabochon, Light Orange, 10.29 x 6.86)
- 1ct Morganite (Cabochon, Light Purple, 7.8 x 5.2) vs. 1ct Topaz (Emerald, Blue, 6.66 x 4.93)