8ct Diamond (Cushion, 11.65×11.65mm, White) vs 5ct Diamond (Marquise, 17.76×8.88mm, White)
Quick summary: When looked from above (face-up position), 8ct Diamond (11.65×11.65mm, cushion cut) appears 9% larger than 5ct Diamond (17.76×8.88mm, marquise cut). See below how they compare side-by-side on a ring and finger.
| 8ct Diamond (cushion cut) |
vs
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5ct Diamond (marquise cut) |
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white |
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| 11.65×11.65 mm | 17.76×8.88 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
8ct Diamond Cushion (11.65×11.65mm, White)
and
5ct Diamond Marquise (17.76×8.88mm, White)
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.
| 8 Ct Diamond (Cushion) | 5 Ct Diamond (Marquise) | |
| 11.65×11.65 mm | vs | 17.76×8.88 mm |
| 122.15 mm² | 111.97 mm² |
| 8ct Diamond Cushion (11.65×11.65mm) | |
| 5ct Diamond Marquise (17.76×8.88mm) | |
| Difference: 9% (10.18 mm²) |
8ct Diamond (Cushion, 11.65×11.65mm) has approx. 9% more face-up area than 5ct Diamond (Marquise, 17.76×8.88mm).
Popular comparisons:
- 8ct Diamond (Cushion, White, 11.65 x 11.65) vs. 4ct Diamond (Cushion, White, 9.26 x 8.75)
- 8ct Diamond (Cushion, White, 11.65 x 11.65) vs. 23.29ct Diamond (Cushion, White, 16.64 x 16.64)
- 8ct Diamond (Cushion, White, 11.65 x 11.65) vs. 5ct Diamond (Round, White, 11.11 x 11.11)
- 8ct Diamond (Cushion, White, 11.65 x 11.65) vs. 6ct Diamond (Cushion, White, 12.01 x 9.72)
- 8ct Diamond (Cushion, White, 11.65 x 11.65) vs. 0.5ct Diamond (Round, White, 5.16 x 5.16)
- 8ct Diamond (Cushion, White, 11.65 x 11.65) vs. 0.5ct Diamond (Trillion, White, 6.14 x 6.14)
- 8ct Diamond (Cushion, White, 11.65 x 11.65) vs. 9ct Diamond (Cushion, White, 12.12 x 12.12)
- 8ct Diamond (Cushion, White, 11.65 x 11.65) vs. 9ct Tourmaline (Cushion, Violet, 12.66 x 12.66)