12.31ct Ruby (Cushion, 13.21×12.61mm, Red) vs 7.77ct Ruby (Cushion, 11.07×11.07mm, Red)
Quick summary: When looked from above (face-up position), 12.31ct Ruby (13.21×12.61mm, cushion cut) appears 36% larger than 7.77ct Ruby (11.07×11.07mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 12.31ct Ruby (cushion cut) |
vs
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7.77ct Ruby (cushion cut) |
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red |
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| 13.21×12.61 mm | 11.07×11.07 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
12.31ct Ruby Cushion (13.21×12.61mm, Red)
and
7.77ct Ruby Cushion (11.07×11.07mm, 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
The face-up size depends on the shape of the gem, its weight and 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.
| 12.31 Ct Ruby (Cushion) | 7.77 Ct Ruby (Cushion) | |
| 13.21×12.61 mm | vs | 11.07×11.07 mm |
| 149.92 mm² | 110.29 mm² |
| 12.31ct Ruby Cushion (13.21×12.61mm) | |
| 7.77ct Ruby Cushion (11.07×11.07mm) | |
| Difference: 36% (39.63 mm²) |
12.31ct Ruby (Cushion, 13.21×12.61mm) has approx. 36% more face-up area than 7.77ct Ruby (Cushion, 11.07×11.07mm).
Popular comparisons:
- 12.31ct Ruby (Cushion, Red, 13.21 x 12.61) vs. 6.37ct Ruby (Cushion, Red, 10.37 x 10.37)
- 12.31ct Ruby (Cushion, Red, 13.21 x 12.61) vs. 8.29ct Ruby (Cushion, Red, 11.32 x 11.32)
- 12.31ct Ruby (Cushion, Red, 13.21 x 12.61) vs. 6.67ct Ruby (Cushion, Red, 10.53 x 10.53)
- 12.31ct Ruby (Cushion, Red, 13.21 x 12.61) vs. 5.58ct Ruby (Cushion, Red, 9.92 x 9.92)
- 0.45ct Ruby (Cushion, Red, 4.28 x 4.28) vs. 0.33ct Sapphire (Trillion, Blue, 4.86 x 4.86)
- 3.45ct Ruby (Cushion, Red, 8.45 x 8.45) vs. 1ct Emerald (Cushion, Green, 6.37 x 6.37)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 5ct Ruby (Round, Red, 10.22 x 10.22)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 5ct Ruby (Cushion, Red, 9.56 x 9.56)