30ct Morganite (Radiant, 19.28×19.28mm, Light Purple) vs 30ct Quartz (Radiant, 19.64×19.64mm, Brown)
Quick summary: When looked from above (face-up position), 30ct Quartz (19.64×19.64mm, radiant cut) appears 4% larger than 30ct Morganite (19.28×19.28mm, radiant cut). See below how they compare side-by-side on a ring and finger.
| 30ct Morganite (radiant cut) |
vs
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30ct Quartz (radiant cut) |
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light purple |
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| 19.28×19.28 mm | 19.64×19.64 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 Morganite Radiant (19.28×19.28mm, Light Purple)
and
30ct Quartz Radiant (19.64×19.64mm, 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.
| 30 Ct Morganite (Radiant) | 30 Ct Quartz (Radiant) | |
| 19.28×19.28 mm | vs | 19.64×19.64 mm |
| 353.13 mm² | 366.44 mm² |
| 30ct Morganite Radiant (19.28×19.28mm) | |
| 30ct Quartz Radiant (19.64×19.64mm) | |
| Difference: 4% (13.31 mm²) |
30ct Quartz (Radiant, 19.64×19.64mm) has approx. 4% more face-up area than 30ct Morganite (Radiant, 19.28×19.28mm).
Popular comparisons:
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)
- 1ct Alexandrite (Round, Bluish Green, 6.14 x 6.14) vs. 1ct Emerald (Emerald, Yellowish Green, 7.28 x 5.39)
- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)
- 2ct Zircon (Round, Light Orange, 7.16 x 7.16) vs. 2ct Emerald (Emerald, Dark Green, 9.17 x 6.79)