0.75ct Sapphire (Pear, 7.55×4.55mm, Blue) vs 1ct Ruby (Oval, 7.56×5.04mm, Red)
Quick summary: When looked from above (face-up position), 1ct Ruby (7.56×5.04mm, oval cut) appears 25% larger than 0.75ct Sapphire (7.55×4.55mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 0.75ct Sapphire (pear cut) |
vs
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1ct Ruby (oval cut) |
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blue |
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| 7.55×4.55 mm | 7.56×5.04 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
0.75ct Sapphire Pear (7.55×4.55mm, Blue)
and
1ct Ruby Oval (7.56×5.04mm, Red)
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
Sapphire and Ruby have the same specific gravity so their face-up size
depends on the weight, shape and 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.
| 0.75 Ct Sapphire (Pear) | 1 Ct Ruby (Oval) | |
| 7.55×4.55 mm | vs | 7.56×5.04 mm |
| 25.08 mm² | 31.24 mm² |
| 0.75ct Sapphire Pear (7.55×4.55mm) | |
| 1ct Ruby Oval (7.56×5.04mm) | |
| Difference: 25% (6.16 mm²) |
1ct Ruby (Oval, 7.56×5.04mm) has approx. 25% more face-up area than 0.75ct Sapphire (Pear, 7.55×4.55mm).
Popular comparisons:
- 0.75ct Sapphire (Pear, Blue, 7.55 x 4.55) vs. 1.1ct Aquamarine (Pear, Light Blue, 9.78 x 5.89)
- 0.75ct Sapphire (Pear, Blue, 7.55 x 4.55) vs. 0.75ct Emerald (Pear, Green, 8.6 x 5.18)
- 0.75ct Sapphire (Pear, Blue, 7.55 x 4.55) vs. 0.06ct Diamond (Baguette, White, 2.84 x 1.89)
- 0.75ct Sapphire (Pear, Blue, 7.55 x 4.55) vs. 0.8ct Diamond (Pear, White, 8.4 x 5.06)
- 0.75ct Sapphire (Pear, Blue, 7.55 x 4.55) vs. 1ct Emerald (Pear, Green, 9.46 x 5.7)
- 0.75ct Sapphire (Pear, Blue, 7.55 x 4.55) vs. 6ct Sapphire (Oval, Blue, 13.74 x 9.16)
- 0.75ct Sapphire (Pear, Blue, 7.55 x 4.55) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 0.75ct Sapphire (Pear, Blue, 7.55 x 4.55) vs. 1.35ct Aquamarine (Pear, Light Blue, 10.46 x 6.3)