18ct Morganite (Round, 17.65×17.65mm, Light Purple) vs 18ct Quartz (Round, 17.97×17.97mm, Brown)
Quick summary: When looked from above (face-up position), 18ct Quartz (17.97×17.97mm, round cut) appears 4% larger than 18ct Morganite (17.65×17.65mm, round cut). See below how they compare side-by-side on a ring and finger.
| 18ct Morganite (round cut) |
vs
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18ct Quartz (round cut) |
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light purple |
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| 17.65×17.65 mm | 17.97×17.97 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
18ct Morganite Round (17.65×17.65mm, Light Purple)
and
18ct Quartz Round (17.97×17.97mm, 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.
| 18 Ct Morganite (Round) | 18 Ct Quartz (Round) | |
| 17.65×17.65 mm | vs | 17.97×17.97 mm |
| 244.67 mm² | 253.62 mm² |
| 18ct Morganite Round (17.65×17.65mm) | |
| 18ct Quartz Round (17.97×17.97mm) | |
| Difference: 4% (8.95 mm²) |
18ct Quartz (Round, 17.97×17.97mm) has approx. 4% more face-up area than 18ct Morganite (Round, 17.65×17.65mm).
Popular comparisons:
- 1ct Morganite (Round, Light Purple, 6.82 x 6.82) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 2ct Morganite (Round, Light Purple, 8.59 x 8.59) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1ct Morganite (Round, Light Purple, 6.5 x 6.5) vs. 0.5ct Morganite (Round, Light Purple, 5 x 5)
- 3.2ct Morganite (Round, Light Purple, 10 x 10) vs. 3.1ct Morganite (Round, Light Purple, 9.5 x 9.5)
- 1ct Morganite (Round, Light Red, 6.82 x 6.82) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 2ct Morganite (Round, Light Red, 8.59 x 8.59) vs. 2ct Topaz (Round, Light Red, 7.85 x 7.85)
- 2.5ct Morganite (Round, Light Purple, 9.25 x 9.25) vs. 2.7ct Diamond (Round, White, 9.05 x 9.05)
- 1.6ct Morganite (Round, Light Red, 8 x 8) vs. 1.6ct Morganite (Oval, Light Red, 9 x 7)
- 1ct Morganite (Round, Light Purple, 6.82 x 6.82) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)