1.5ct Sapphire (Oval, 8×6mm, Dark Blue) vs 1ct Diamond (Oval, 7×5mm, White)
Quick summary: When looked from above (face-up position), 1.5ct Sapphire (8×6mm, oval cut) appears 37% larger than 1ct Diamond (7×5mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Sapphire (oval cut) |
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1ct Diamond (oval cut) |
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dark blue |
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| 8×6 mm | 7×5 mm | |
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Actual sizes of
1.5ct Sapphire Oval (8×6mm, Dark Blue)
and
1ct Diamond Oval (7×5mm, 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 (Oval) | 1 Ct Diamond (Oval) | |
| 8×6 mm | vs | 7×5 mm |
| 39.36 mm² | 28.7 mm² |
| 1.5ct Sapphire Oval (8×6mm) | |
| 1ct Diamond Oval (7×5mm) | |
| Difference: 37% (10.66 mm²) |
1.5ct Sapphire Oval (8×6mm) has approx. 37% more face-up area than 1ct Diamond Oval (7×5mm).
Popular comparisons:
- 1.5ct Sapphire (Oval, Dark Blue, 8 x 6) vs. 3ct Diamond (Princess, Yellow, 7.99 x 7.94)
- 1.5ct Sapphire (Oval, Dark Blue, 8 x 6) vs. 1.52ct Diamond (Oval, White, 9.33 x 6.22)
- 2ct Sapphire (Oval, Blue, 9.53 x 6.35) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 1.5ct Sapphire (Oval, Blue, 8.66 x 5.77) vs. 1.52ct Diamond (Oval, White, 9.33 x 6.22)
- 2.5ct Sapphire (Oval, White, 9 x 7) vs. 2.5ct Diamond (Oval, White, 9 x 7)
- 5ct Sapphire (Oval, Blue, 12.93 x 8.62) vs. 5ct Diamond (Oval, White, 13.88 x 9.25)
- 3ct Sapphire (Oval, Blue, 10.91 x 7.27) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 3ct Sapphire (Oval, Blue, 10.91 x 7.27) vs. 3ct Diamond (Oval, White, 11.7 x 7.8)
Enter your screen size (diagonal)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.