0.3ct Sapphire (Pear, 5.56×3.35mm, Blue) vs 0.18ct Diamond (Pear, 5.11×3.08mm, White)
Quick summary: When looked from above (face-up position), 0.3ct Sapphire (5.56×3.35mm, pear cut) appears 18% larger than 0.18ct Diamond (5.11×3.08mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 0.3ct Sapphire (pear cut) |
vs
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0.18ct Diamond (pear cut) |
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blue |
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| 5.56×3.35 mm | 5.11×3.08 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
0.3ct Sapphire Pear (5.56×3.35mm, Blue)
and
0.18ct Diamond Pear (5.11×3.08mm, 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.
| 0.3 Ct Sapphire (Pear) | 0.18 Ct Diamond (Pear) | |
| 5.56×3.35 mm | vs | 5.11×3.08 mm |
| 13.6 mm² | 11.49 mm² |
| 0.3ct Sapphire Pear (5.56×3.35mm) | |
| 0.18ct Diamond Pear (5.11×3.08mm) | |
| Difference: 18% (2.11 mm²) |
0.3ct Sapphire (Pear, 5.56×3.35mm) has approx. 18% more face-up area than 0.18ct Diamond (Pear, 5.11×3.08mm).
Popular comparisons:
- 0.3ct Sapphire (Pear, Blue, 5.56 x 3.35) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.3ct Sapphire (Pear, Blue, 5.56 x 3.35) vs. 0.2ct Sapphire (Round, Blue, 3.5 x 3.5)
- 0.3ct Sapphire (Pear, Blue, 5.56 x 3.35) vs. 0.3ct Emerald (Pear, Green, 6.34 x 3.82)
- 0.3ct Sapphire (Pear, Blue, 5.56 x 3.35) vs. 0.19ct Sapphire (Pear, Blue, 4.78 x 2.88)
- 0.3ct Sapphire (Pear, Blue, 5.56 x 3.35) vs. 0.5ct Sapphire (Pear, Blue, 6.59 x 3.97)
- 0.3ct Sapphire (Pear, Blue, 5.56 x 3.35) vs. 0.2ct Diamond (Pear, White, 5.3 x 3.19)
- 0.3ct Sapphire (Pear, Blue, 5.56 x 3.35) vs. 1ct Diamond (Pear, White, 9.05 x 5.45)
- 1.93ct Sapphire (Pear, Blue, 9 x 6) vs. 3ct Sapphire (Pear, Blue, 10 x 7)