35ct Amethyst (Cushion, 20.98×20.98mm, Violet) vs 1ct Ruby (Round, 5.98×5.98mm, Red)
Quick summary: When looked from above (face-up position), 35ct Amethyst (20.98×20.98mm, cushion cut) appears 14.1 times larger than 1ct Ruby (5.98×5.98mm, round cut). See below how they compare side-by-side on a ring and finger.
| 35ct Amethyst (cushion cut) |
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1ct Ruby (round cut) |
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violet |
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| 20.98×20.98 mm | 5.98×5.98 mm | |
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Actual sizes of
35ct Amethyst Cushion (20.98×20.98mm, Violet)
and
1ct Ruby Round (5.98×5.98mm, Red)
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, Ruby 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.
| 35 Ct Amethyst (Cushion) | 1 Ct Ruby (Round) | |
| 20.98×20.98 mm | vs | 5.98×5.98 mm |
| 396.14 mm² | 28.09 mm² |
| 35ct Amethyst Cushion (20.98×20.98mm) | |
| 1ct Ruby Round (5.98×5.98mm) | |
| Difference: 1310% (368.05 mm²) |
35ct Amethyst Cushion (20.98×20.98mm) has approx. 1310% more face-up area than 1ct Ruby Round (5.98×5.98mm). In other words, it's 14.1x larger.
Popular comparisons:
- 2ct Amethyst (Cushion, Violet, 8 x 8) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 1ct Amethyst (Cushion, Purple, 6.41 x 6.41) vs. 1ct Quartz (Round, Yellowish Green, 6.86 x 6.86)
- 2.11ct Amethyst (Cushion, Violet, 8.23 x 8.23) vs. 2.11ct Diamond (Cushion, White, 7.47 x 7.47)
- 1.35ct Amethyst (Cushion, Violet, 7.09 x 7.09) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 3ct Amethyst (Cushion, Violet, 9.25 x 9.25) vs. 3ct Diamond (Cushion, White, 8.4 x 8.4)
- 26ct Amethyst (Cushion, Violet, 19 x 19) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Amethyst (Cushion, Violet, 6.41 x 6.41) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Amethyst (Cushion, Violet, 6.41 x 6.41) vs. 1ct Diamond (Cushion, White, 5.83 x 5.83)
Enter your screen size (diagonal)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.