5ct Diamond (Princess, 9.42×9.42mm, White) vs 3ct Sapphire (Oval, 10.91×7.27mm, Blue)
Quick summary: When looked from above (face-up position), 5ct Diamond (9.42×9.42mm, princess cut) appears 36% larger than 3ct Sapphire (10.91×7.27mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 5ct Diamond (princess cut) |
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3ct Sapphire (oval cut) |
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white |
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| 9.42×9.42 mm | 10.91×7.27 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
5ct Diamond Princess (9.42×9.42mm, White)
and
3ct Sapphire Oval (10.91×7.27mm, Blue)
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.
| 5 Ct Diamond (Princess) | 3 Ct Sapphire (Oval) | |
| 9.42×9.42 mm | vs | 10.91×7.27 mm |
| 88.74 mm² | 65.04 mm² |
| 5ct Diamond Princess (9.42×9.42mm) | |
| 3ct Sapphire Oval (10.91×7.27mm) | |
| Difference: 36% (23.7 mm²) |
5ct Diamond (Princess, 9.42×9.42mm) has approx. 36% more face-up area than 3ct Sapphire (Oval, 10.91×7.27mm).
Popular comparisons:
- 5ct Diamond (Princess, White, 9.42 x 9.42) vs. 4ct Diamond (Round, White, 10 x 10)
- 5ct Diamond (Princess, White, 9.42 x 9.42) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5ct Diamond (Princess, White, 9.42 x 9.42) vs. 3.72ct Diamond (Trillion, White, 11.99 x 11.99)
- 5ct Diamond (Princess, White, 9.42 x 9.42) vs. 6ct Diamond (Trillion, White, 14.06 x 14.06)
- 0.2ct Diamond (Princess, White, 3.22 x 3.22) vs. 0.3ct Diamond (Princess, White, 3.69 x 3.69)
- 0.7ct Diamond (Princess, White, 4.83 x 4.82) vs. 0.7ct Diamond (Princess, White, 4.82 x 4.77)
- 1.53ct Diamond (Princess, White, 6.34 x 6.39) vs. 1.24ct Diamond (Emerald, White, 6.01 x 6.12)
- 0.7ct Diamond (Princess, White, 4.83 x 4.82) vs. 0.6ct Diamond (Round, White, 5.45 x 5.46)