0.5ct Amethyst (Princess, 4.78×4.78mm, Violet) vs 0.5ct Quartz (Princess, 4.78×4.78mm, Brown)
Quick summary: Compared gemstones have equal face-up area.
| 0.5ct Amethyst (princess cut) |
vs
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0.5ct Quartz (princess cut) |
|
violet |
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| 4.78×4.78 mm | 4.78×4.78 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
0.5ct Amethyst Princess (4.78×4.78mm, Violet)
and
0.5ct Quartz Princess (4.78×4.78mm, 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
Amethyst and Quartz have the same specific gravity so their face-up size
depends on the weight, shape and 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.
| 0.5 Ct Amethyst (Princess) | 0.5 Ct Quartz (Princess) | |
| 4.78×4.78 mm | vs | 4.78×4.78 mm |
| 22.85 mm² | 22.85 mm² |

| 0.5ct Amethyst Princess (4.78×4.78mm) | |
| 0.5ct Quartz Princess (4.78×4.78mm) | |
| Difference: 0% (0 mm²) |
0.5ct Amethyst (Princess, 4.78×4.78mm) and 0.5ct Quartz (Princess, 4.78×4.78mm) have the same face-up area.
Popular comparisons:
- 1ct Amethyst (Princess, Violet, 6.17 x 6.17) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 2ct Amethyst (Princess, Violet, 7.77 x 7.77) vs. 2ct Amethyst (Oval, Violet, 10.94 x 7.29)
- 1ct Amethyst (Princess, Dark Purple, 6.17 x 6.17) vs. 1ct Tanzanite (Princess, Dark Blue, 5.73 x 5.73)
- 3.72ct Amethyst (Princess, Violet, 9.55 x 9.55) vs. 3.72ct Diamond (Princess, White, 8.54 x 8.54)
- 1ct Amethyst (Princess, Violet, 6.17 x 6.17) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Amethyst (Princess, Dark Violet, 6.17 x 6.17) vs. 1ct Tanzanite (Princess, Dark Blue, 5.73 x 5.73)
- 0.05ct Amethyst (Princess, Violet, 2.27 x 2.27) vs. 0.05ct Aquamarine (Princess, Light Blue, 2.26 x 2.26)
- 5ct Amethyst (Princess, Dark Violet, 10.54 x 10.54) vs. 5ct Sapphire (Emerald, Blue, 10.92 x 8.09)
- 10ct Amethyst (Princess, Violet, 13.28 x 13.28) vs. 10ct Amethyst (Oval, Dark Violet, 18.69 x 12.46)