1.75ct Diamond (Oval, 9.78×6.52mm, White) vs 2ct Sapphire (Oval, 9.53×6.35mm, Blue)
Quick summary: When looked from above (face-up position), 1.75ct Diamond (9.78×6.52mm, oval cut) appears 5% larger than 2ct Sapphire (9.53×6.35mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1.75ct Diamond (oval cut) |
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2ct Sapphire (oval cut) |
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white |
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| 9.78×6.52 mm | 9.53×6.35 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
1.75ct Diamond Oval (9.78×6.52mm, White)
and
2ct Sapphire Oval (9.53×6.35mm, Blue)
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.
| 1.75 Ct Diamond (Oval) | 2 Ct Sapphire (Oval) | |
| 9.78×6.52 mm | vs | 9.53×6.35 mm |
| 52.29 mm² | 49.62 mm² |
| 1.75ct Diamond Oval (9.78×6.52mm) | |
| 2ct Sapphire Oval (9.53×6.35mm) | |
| Difference: 5% (2.67 mm²) |
1.75ct Diamond (Oval, 9.78×6.52mm) has approx. 5% more face-up area than 2ct Sapphire (Oval, 9.53×6.35mm).
Popular comparisons:
- 1.75ct Diamond (Oval, White, 9.78 x 6.52) vs. 1.5ct Diamond (Oval, White, 9.29 x 6.19)
- 1.75ct Diamond (Oval, White, 9.78 x 6.52) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 1.75ct Diamond (Oval, White, 9.78 x 6.52) vs. 2.5ct Diamond (Oval, White, 11.01 x 7.34)
- 1.75ct Diamond (Oval, White, 9.78 x 6.52) vs. 2ct Diamond (Oval, White, 10.1 x 7.2)
- 1.75ct Diamond (Oval, White, 9.78 x 6.52) vs. 1.75ct Sapphire (Oval, Blue, 9.12 x 6.08)
- 1.75ct Diamond (Oval, White, 9.78 x 6.52) vs. 2.01ct Diamond (Oval, White, 10.25 x 6.83)
- 1.75ct Diamond (Oval, White, 9.78 x 6.52) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.75ct Diamond (Oval, White, 9.78 x 6.52) vs. 2.23ct Sapphire (Oval, Dark Blue, 9.45 x 6.21)