15 Ct Amethyst (Cushion) |
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20 Ct Diamond (Cushion) |
violet |
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15.82×15.82 mm | 15.82×15.82 mm | |
actual size | ||
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Actual size is set for screen
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64 mm |
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Actual sizes of
15ct Amethyst Cushion (15.82×15.82mm, Violet)
and
20ct Diamond Cushion (15.82×15.82mm, White)
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?
JamesAllen → high-quality Diamonds, high-end jewelry and competitive prices. Highly recommended.
Amazon → usually offers a good selection from many different vendors. Worth a check.
Face-up Size
All things being equal, Diamond will face-up smaller than Amethyst for a given
carat weight, because it has higher specific gravity
(3.52 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.
15 Ct Amethyst (Cushion) | 20 Ct Diamond (Cushion) | |
15.82×15.82 mm | vs | 15.82×15.82 mm |
225.25 mm² | 225.25 mm² |
15ct Amethyst Cushion (15.82×15.82mm) | |
20ct Diamond Cushion (15.82×15.82mm) | |
Difference: 0% (0 mm²) |
15ct Amethyst Cushion (15.82×15.82mm) and 20ct Diamond Cushion (15.82×15.82mm) have the same face-up area.
Popular comparisons:
- 15ct Amethyst (Cushion, Violet, 15.82 x 15.82) vs. 20ct Citrine (Cushion, Light Yellow, 17.41 x 17.41)
- 15ct Amethyst (Cushion, Violet, 15.82 x 15.82) vs. 8ct Diamond (Baguette, White, 14.46 x 9.64)
- 15ct Amethyst (Cushion, Violet, 15.82 x 15.82) vs. 15ct Aquamarine (Cushion, Light Blue, 15.72 x 15.72)
- 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)
- 1.35ct Amethyst (Cushion, Violet, 7.09 x 7.09) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 35ct Amethyst (Cushion, Violet, 20.98 x 20.98) vs. 1ct Ruby (Round, Red, 5.98 x 5.98)
- 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)
- 24ct Amethyst (Cushion, Violet, 18.5 x 18.5) vs. 24ct Amethyst (Cushion, Violet, 18.5 x 18.5)
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.