3ct Sapphire (Oval, 10.91×7.27mm, Dark Bluish Green) vs 6.78ct Ruby (Oval, 14.31×9.54mm, Red)
Quick summary: When looked from above (face-up position), 6.78ct Ruby (14.31×9.54mm, oval cut) appears 72% larger than 3ct Sapphire (10.91×7.27mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 3ct Sapphire (oval cut) |
vs
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6.78ct Ruby (oval cut) |
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dark bluish green |
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| 10.91×7.27 mm | 14.31×9.54 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 Oval (10.91×7.27mm, Dark Bluish Green)
and
6.78ct Ruby Oval (14.31×9.54mm, 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.
| 3 Ct Sapphire (Oval) | 6.78 Ct Ruby (Oval) | |
| 10.91×7.27 mm | vs | 14.31×9.54 mm |
| 65.04 mm² | 111.94 mm² |
| 3ct Sapphire Oval (10.91×7.27mm) | |
| 6.78ct Ruby Oval (14.31×9.54mm) | |
| Difference: 72% (46.9 mm²) |
6.78ct Ruby (Oval, 14.31×9.54mm) has approx. 72% more face-up area than 3ct Sapphire (Oval, 10.91×7.27mm).
Popular comparisons:
- 3ct Sapphire (Oval, Dark Bluish Green, 10.91 x 7.27) vs. 6.81ct Tourmaline (Oval, Red, 15.62 x 10.41)
- 3ct Sapphire (Oval, Dark Bluish Green, 10.91 x 7.27) vs. 6.81ct Tourmaline (Oval, Dark Red, 15.62 x 10.41)
- 3ct Sapphire (Oval, Dark Bluish Green, 10.91 x 7.27) vs. 4.44ct Emerald (Princess, Bluish Green, 10.07 x 10.07)
- 3ct Sapphire (Oval, Dark Bluish Green, 10.91 x 7.27) vs. 3.62ct Sapphire (Oval, Dark Bluish Green, 9.82 x 8.16)
- 3ct Sapphire (Oval, Dark Bluish Green, 10.91 x 7.27) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3ct Sapphire (Oval, Dark Bluish Green, 10.91 x 7.27) vs. 3ct Diamond (Oval, White, 11.7 x 7.8)
- 3ct Sapphire (Oval, Dark Bluish Green, 10.91 x 7.27) vs. 6.78ct Tourmaline (Oval, Red, 15.59 x 10.39)
- 3ct Sapphire (Oval, Dark Bluish Green, 10.91 x 7.27) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)