1ct Sapphire (Pear, 7×5mm, Blue) vs 1ct Diamond (Oval, 8.12×5.41mm, White)
Quick summary: When looked from above (face-up position), 1ct Diamond (8.12×5.41mm, oval cut) appears 41% larger than 1ct Sapphire (7×5mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 1ct Sapphire (pear cut) |
vs
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1ct Diamond (oval cut) |
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blue |
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| 7×5 mm | 8.12×5.41 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
1ct Sapphire Pear (7×5mm, Blue)
and
1ct Diamond Oval (8.12×5.41mm, 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.
| 1 Ct Sapphire (Pear) | 1 Ct Diamond (Oval) | |
| 7×5 mm | vs | 8.12×5.41 mm |
| 25.55 mm² | 36.02 mm² |
| 1ct Sapphire Pear (7×5mm) | |
| 1ct Diamond Oval (8.12×5.41mm) | |
| Difference: 41% (10.47 mm²) |
1ct Diamond (Oval, 8.12×5.41mm) has approx. 41% more face-up area than 1ct Sapphire (Pear, 7×5mm).
Popular comparisons:
- 1ct Sapphire (Pear, Blue, 7 x 5) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Sapphire (Pear, Blue, 7 x 5) vs. 1ct Sapphire (Oval, Blue, 7 x 5)
- 1ct Sapphire (Pear, Blue, 7 x 5) vs. 1ct Sapphire (Pear, Dark Blue, 8.3 x 5)
- 1ct Sapphire (Pear, Blue, 7 x 5) vs. 1ct Sapphire (Pear, Dark Blue, 9 x 6)
- 1ct Sapphire (Pear, Blue, 7 x 5) vs. 2.1ct Emerald (Pear, Green, 12.12 x 7.3)
- 1.93ct Sapphire (Pear, Blue, 9 x 6) vs. 3ct Sapphire (Pear, Blue, 10 x 7)
- 2ct Sapphire (Pear, Blue, 10.46 x 6.3) vs. 1.6ct Diamond (Round, White, 7.6 x 7.6)
- 2ct Sapphire (Pear, Blue, 10.46 x 6.3) vs. 2ct Diamond (Pear, White, 11.4 x 6.87)