3ct Sapphire (Pear, 11.99×7.22mm, Blue) vs 1.6ct Diamond (Round, 7.6×7.6mm, White)
Quick summary: When looked from above (face-up position), 3ct Sapphire (11.99×7.22mm, pear cut) appears 39% larger than 1.6ct Diamond (7.6×7.6mm, round cut). See below how they compare side-by-side on a ring and finger.
| 3ct Sapphire (pear cut) |
vs
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1.6ct Diamond (round cut) |
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blue |
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| 11.99×7.22 mm | 7.6×7.6 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
3ct Sapphire Pear (11.99×7.22mm, Blue)
and
1.6ct Diamond Round (7.6×7.6mm, 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.
| 3 Ct Sapphire (Pear) | 1.6 Ct Diamond (Round) | |
| 11.99×7.22 mm | vs | 7.6×7.6 mm |
| 63.19 mm² | 45.36 mm² |
| 3ct Sapphire Pear (11.99×7.22mm) | |
| 1.6ct Diamond Round (7.6×7.6mm) | |
| Difference: 39% (17.83 mm²) |
3ct Sapphire (Pear, 11.99×7.22mm) has approx. 39% more face-up area than 1.6ct Diamond (Round, 7.6×7.6mm).
Popular comparisons:
- 3ct Sapphire (Pear, Blue, 11.99 x 7.22) vs. 1.5ct Sapphire (Pear, Blue, 9.51 x 5.73)
- 3ct Sapphire (Pear, Blue, 11.99 x 7.22) vs. 5ct Sapphire (Pear, Blue, 14.21 x 8.56)
- 3ct Sapphire (Pear, Blue, 11.99 x 7.22) vs. 3ct Diamond (Pear, White, 13.05 x 7.86)
- 3ct Sapphire (Pear, Blue, 11.99 x 7.22) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 3ct Sapphire (Pear, Blue, 11.99 x 7.22) vs. 3ct Sapphire (Oval, Blue, 10.91 x 7.27)
- 3ct Sapphire (Pear, Blue, 11.99 x 7.22) vs. 5ct Sapphire (Trillion, Blue, 12.02 x 12.02)
- 3ct Sapphire (Pear, Blue, 11.99 x 7.22) vs. 2ct Diamond (Emerald, White, 8.42 x 6.24)
- 3ct Sapphire (Pear, Blue, 11.99 x 7.22) vs. 2ct Diamond (Round, White, 8.19 x 8.19)