4ct Sapphire (Pear, 13.18×7.94mm, Blue) vs 4ct Diamond (Pear, 14.36×8.65mm, White)
Quick summary: When looked from above (face-up position), 4ct Diamond (14.36×8.65mm, pear cut) appears 19% larger than 4ct Sapphire (13.18×7.94mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 4ct Sapphire (pear cut) |
vs
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4ct Diamond (pear cut) |
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blue |
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| 13.18×7.94 mm | 14.36×8.65 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
4ct Sapphire Pear (13.18×7.94mm, Blue)
and
4ct Diamond Pear (14.36×8.65mm, 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, Sapphire will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4 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.
| 4 Ct Sapphire (Pear) | 4 Ct Diamond (Pear) | |
| 13.18×7.94 mm | vs | 14.36×8.65 mm |
| 76.39 mm² | 90.68 mm² |
| 4ct Sapphire Pear (13.18×7.94mm) | |
| 4ct Diamond Pear (14.36×8.65mm) | |
| Difference: 19% (14.29 mm²) |
4ct Diamond (Pear, 14.36×8.65mm) has approx. 19% more face-up area than 4ct Sapphire (Pear, 13.18×7.94mm).
Popular comparisons:
- 4ct Sapphire (Pear, Blue, 13.18 x 7.94) vs. 9ct Sapphire (Pear, Blue, 17.28 x 10.41)
- 4ct Sapphire (Pear, Blue, 13.18 x 7.94) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 4ct Sapphire (Pear, Blue, 13.18 x 7.94) vs. 4ct Emerald (Pear, Green, 15.02 x 9.05)
- 4ct Sapphire (Pear, Blue, 13.18 x 7.94) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4ct Sapphire (Pear, Blue, 13.18 x 7.94) vs. 2.4ct Sapphire (Pear, Blue, 11.12 x 6.7)
- 4ct Sapphire (Pear, Blue, 13.18 x 7.94) vs. 0.5ct Diamond (Baguette, White, 5.75 x 3.83)
- 4ct Sapphire (Pear, Blue, 13.18 x 7.94) vs. 16ct Sapphire (Pear, Blue, 20.93 x 12.61)
- 4ct Sapphire (Pear, Blue, 13.18 x 7.94) vs. 2ct Alexandrite (Trillion, Bluish Green, 9.09 x 9.09)