1.5ct Sapphire (Emerald, 7.3×5.41mm, Blue) vs 1ct Diamond (Oval, 8.12×5.41mm, White)
Quick summary: When looked from above (face-up position), 1.5ct Sapphire (7.3×5.41mm, emerald cut) appears 2% larger than 1ct Diamond (8.12×5.41mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Sapphire (emerald cut) |
vs
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1ct Diamond (oval cut) |
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blue |
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| 7.3×5.41 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
1.5ct Sapphire Emerald (7.3×5.41mm, 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.
| 1.5 Ct Sapphire (Emerald) | 1 Ct Diamond (Oval) | |
| 7.3×5.41 mm | vs | 8.12×5.41 mm |
| 36.73 mm² | 36.02 mm² |
| 1.5ct Sapphire Emerald (7.3×5.41mm) | |
| 1ct Diamond Oval (8.12×5.41mm) | |
| Difference: 2% (0.71 mm²) |
1.5ct Sapphire (Emerald, 7.3×5.41mm) has approx. 2% more face-up area than 1ct Diamond (Oval, 8.12×5.41mm).
Popular comparisons:
- 1.5ct Sapphire (Emerald, Blue, 7.3 x 5.41) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.5ct Sapphire (Emerald, Blue, 7.3 x 5.41) vs. 1.5ct Diamond (Emerald, White, 7.65 x 5.67)
- 1.5ct Sapphire (Emerald, Blue, 7.3 x 5.41) vs. 1ct Morganite (Emerald, Light Purple, 7.28 x 5.39)
- 1.5ct Sapphire (Emerald, Blue, 7.3 x 5.41) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.5ct Sapphire (Emerald, Blue, 7.3 x 5.41) vs. 2ct Sapphire (Emerald, Blue, 8.05 x 5.96)
- 1.5ct Sapphire (Emerald, Blue, 7.3 x 5.41) vs. 1.52ct Diamond (Oval, White, 9.33 x 6.22)
- 1.5ct Sapphire (Emerald, Blue, 7.3 x 5.41) vs. 1ct Sapphire (Emerald, Blue, 6.39 x 4.73)
- 1.5ct Sapphire (Emerald, Blue, 7.3 x 5.41) vs. 1.52ct Diamond (Emerald, White, 7.68 x 5.69)