3ct Ruby (Cushion, 8.06×8.06mm, Red) vs 4ct Ruby (Cushion, 8.88×8.88mm, Red)
Quick summary: When looked from above (face-up position), 4ct Ruby (8.88×8.88mm, cushion cut) appears 21% larger than 3ct Ruby (8.06×8.06mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 3ct Ruby (cushion cut) |
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4ct Ruby (cushion cut) |
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red |
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| 8.06×8.06 mm | 8.88×8.88 mm | |
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Actual sizes of
3ct Ruby Cushion (8.06×8.06mm, Red)
and
4ct Ruby Cushion (8.88×8.88mm, 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.
| 3 Ct Ruby (Cushion) | 4 Ct Ruby (Cushion) | |
| 8.06×8.06 mm | vs | 8.88×8.88 mm |
| 58.47 mm² | 70.97 mm² |
| 3ct Ruby Cushion (8.06×8.06mm) | |
| 4ct Ruby Cushion (8.88×8.88mm) | |
| Difference: 21% (12.5 mm²) |
4ct Ruby Cushion (8.88×8.88mm) has approx. 21% more face-up area than 3ct Ruby Cushion (8.06×8.06mm).
Popular comparisons:
- 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)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 3ct Diamond (Round, White, 9.37 x 9.37)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 2ct Ruby (Round, Red, 7.53 x 7.53)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 3ct Diamond (Cushion, White, 8.4 x 8.4)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 1ct Emerald (Cushion, Green, 6.37 x 6.37)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 3ct Tanzanite (Cushion, Blue, 8.6 x 8.6)
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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.