7.5ct Diamond (Cabochon, 13.98×9.32mm, White) vs 7.5ct Cubic Zirconia (Cabochon, 11.94×7.96mm, White)
Quick summary: When looked from above (face-up position), 7.5ct Diamond (13.98×9.32mm, cabochon cut) appears 37% larger than 7.5ct Cubic Zirconia (11.94×7.96mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 7.5ct Diamond (cabochon cut) |
vs
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7.5ct Cubic Zirconia (cabochon cut) |
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white |
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| 13.98×9.32 mm | 11.94×7.96 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
7.5ct Diamond Cabochon (13.98×9.32mm, White)
and
7.5ct Cubic Zirconia Cabochon (11.94×7.96mm, 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?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
All things being equal, Cubic Zirconia will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(5.65 vs. 3.52 - this means it's "heavier" compared to Diamond 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.
| 7.5 Ct Diamond (Cabochon) | 7.5 Ct Cubic Zirconia (Cabochon) | |
| 13.98×9.32 mm | vs | 11.94×7.96 mm |
| 106.84 mm² | 77.93 mm² |
| 7.5ct Diamond Cabochon (13.98×9.32mm) | |
| 7.5ct Cubic Zirconia Cabochon (11.94×7.96mm) | |
| Difference: 37% (28.91 mm²) |
7.5ct Diamond (Cabochon, 13.98×9.32mm) has approx. 37% more face-up area than 7.5ct Cubic Zirconia (Cabochon, 11.94×7.96mm).
Popular comparisons:
- 1ct Diamond (Cabochon, White, 7.14 x 4.76) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.82ct Diamond (Cabochon, White, 7.25 x 6.5) vs. 1.39ct Diamond (Round, White, 7.25 x 7.25)
- 2ct Diamond (Cabochon, White, 9 x 6) vs. 2ct Diamond (Emerald, White, 8.42 x 6.24)
- 1ct Diamond (Cabochon, White, 7.14 x 4.76) vs. 1ct Citrine (Princess, Light Orange, 6.17 x 6.17)
- 1ct Diamond (Cabochon, White, 7.14 x 4.76) vs. 1ct Diamond (Trillion, White, 7.74 x 7.74)
- 0.7ct Diamond (Cabochon, White, 6.35 x 4.23) vs. 0.7ct Diamond (Round, White, 5.77 x 5.77)
- 1.7ct Diamond (Cabochon, White, 8.52 x 5.68) vs. 1.7ct Diamond (Oval, White, 9.31 x 6.8)
- 3ct Diamond (Cabochon, Yellow, 10.31 x 6.87) vs. 3ct Sapphire (Cabochon, Yellow, 9.87 x 6.58)
- 1ct Diamond (Cabochon, White, 7.14 x 4.76) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)