7.5ct Diamond (Pear, 17.71×10.67mm, White) vs 7.5ct Cubic Zirconia (Pear, 14.84×8.94mm, White)
Quick summary: When looked from above (face-up position), 7.5ct Diamond (17.71×10.67mm, pear cut) appears 42% larger than 7.5ct Cubic Zirconia (14.84×8.94mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 7.5ct Diamond (pear cut) |
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7.5ct Cubic Zirconia (pear cut) |
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white |
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| 17.71×10.67 mm | 14.84×8.94 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 Pear (17.71×10.67mm, White)
and
7.5ct Cubic Zirconia Pear (14.84×8.94mm, 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 (Pear) | 7.5 Ct Cubic Zirconia (Pear) | |
| 17.71×10.67 mm | vs | 14.84×8.94 mm |
| 137.94 mm² | 96.85 mm² |
| 7.5ct Diamond Pear (17.71×10.67mm) | |
| 7.5ct Cubic Zirconia Pear (14.84×8.94mm) | |
| Difference: 42% (41.09 mm²) |
7.5ct Diamond (Pear, 17.71×10.67mm) has approx. 42% more face-up area than 7.5ct Cubic Zirconia (Pear, 14.84×8.94mm).
Popular comparisons:
- 7.5ct Diamond (Pear, White, 17.71 x 10.67) vs. 10ct Diamond (Emerald, White, 12.5 x 12.5)
- 3ct Diamond (Pear, White, 13.05 x 7.86) vs. 3.3ct Topaz (Pear, Blue, 12.9 x 7.77)
- 0.8ct Diamond (Pear, White, 8.4 x 5.06) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Diamond (Pear, White, 8 x 6) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Diamond (Pear, White, 9.05 x 5.45) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.3ct Diamond (Pear, White, 6.06 x 3.65) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.2ct Diamond (Pear, White, 5 x 3) vs. 0.5ct Sapphire (Emerald, Dark Yellowish Green, 6 x 4)
- 0.2ct Diamond (Pear, White, 5.3 x 3.19) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.25ct Diamond (Pear, White, 5.69 x 3.43) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)