0.6ct Amethyst (Round, 5.78×5.78mm, Violet) vs 1ct Sapphire (Cabochon, 6.84×4.56mm, Blue)
Quick summary: When looked from above (face-up position), 0.6ct Amethyst (5.78×5.78mm, round cut) appears 3% larger than 1ct Sapphire (6.84×4.56mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 0.6ct Amethyst (round cut) |
vs
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1ct Sapphire (cabochon cut) |
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violet |
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| 5.78×5.78 mm | 6.84×4.56 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
0.6ct Amethyst Round (5.78×5.78mm, Violet)
and
1ct Sapphire Cabochon (6.84×4.56mm, Blue)
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, Sapphire will face-up smaller than Amethyst for a given
carat weight, because it has higher specific gravity
(4 vs. 2.65 - this means it's "heavier" compared to Amethyst 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.
| 0.6 Ct Amethyst (Round) | 1 Ct Sapphire (Cabochon) | |
| 5.78×5.78 mm | vs | 6.84×4.56 mm |
| 26.24 mm² | 25.58 mm² |
| 0.6ct Amethyst Round (5.78×5.78mm) | |
| 1ct Sapphire Cabochon (6.84×4.56mm) | |
| Difference: 3% (0.66 mm²) |
0.6ct Amethyst (Round, 5.78×5.78mm) has approx. 3% more face-up area than 1ct Sapphire (Cabochon, 6.84×4.56mm).
Popular comparisons:
- 0.6ct Amethyst (Round, Violet, 5.78 x 5.78) vs. 0.5ct Sapphire (Round, Blue, 4.75 x 4.75)
- 0.6ct Amethyst (Round, Violet, 5.78 x 5.78) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 0.6ct Amethyst (Round, Violet, 5.78 x 5.78) vs. 0.6ct Sapphire (Round, Blue, 5.04 x 5.04)
- 0.6ct Amethyst (Round, Violet, 5.78 x 5.78) vs. 0.9ct Sapphire (Round, Blue, 5.77 x 5.77)
- 0.6ct Amethyst (Round, Violet, 5.78 x 5.78) vs. 0.7ct Sapphire (Round, Blue, 5.31 x 5.31)
- 0.6ct Amethyst (Round, Violet, 5.78 x 5.78) vs. 0.6ct Amethyst (Oval, Violet, 7.32 x 4.88)
- 0.6ct Amethyst (Round, Violet, 5.78 x 5.78) vs. 2ct Sapphire (Cabochon, Blue, 8.63 x 5.75)
- 0.6ct Amethyst (Round, Violet, 5.78 x 5.78) vs. 0.6ct Peridot (Round, Yellowish Green, 5.35 x 5.35)