6ct Diamond (Round, 11.81×11.81mm, White) vs 5ct Diamond (Marquise, 17.76×8.88mm, White)
Quick summary: When looked from above (face-up position), 5ct Diamond (17.76×8.88mm, marquise cut) appears 2% larger than 6ct Diamond (11.81×11.81mm, round cut). See below how they compare side-by-side on a ring and finger.
| 6ct Diamond (round cut) |
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5ct Diamond (marquise cut) |
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white |
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| 11.81×11.81 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
6ct Diamond Round (11.81×11.81mm, 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.
| 6 Ct Diamond (Round) | 5 Ct Diamond (Marquise) | |
| 11.81×11.81 mm | vs | 17.76×8.88 mm |
| 109.54 mm² | 111.97 mm² |
| 6ct Diamond Round (11.81×11.81mm) | |
| 5ct Diamond Marquise (17.76×8.88mm) | |
| Difference: 2% (2.43 mm²) |
5ct Diamond (Marquise, 17.76×8.88mm) has approx. 2% more face-up area than 6ct Diamond (Round, 11.81×11.81mm).
Popular comparisons:
- 6ct Diamond (Round, White, 11.81 x 11.81) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 6ct Diamond (Round, White, 11.81 x 11.81) vs. 6ct Diamond (Oval, White, 14.75 x 9.83)
- 6ct Diamond (Round, White, 11.81 x 11.81) vs. 6ct Diamond (Emerald, White, 12.14 x 8.99)
- 6ct Diamond (Round, White, 11.81 x 11.81) vs. 8ct Diamond (Cushion, White, 11.65 x 11.65)
- 6ct Diamond (Round, White, 11.81 x 11.81) vs. 6ct Diamond (Marquise, White, 18.88 x 9.44)
- 6ct Diamond (Round, White, 11.81 x 11.81) vs. 8ct Diamond (Round, White, 13 x 13)
- 6ct Diamond (Round, White, 11.81 x 11.81) vs. 6ct Diamond (Pear, White, 16.43 x 9.9)
- 6ct Diamond (Round, White, 11.81 x 11.81) vs. 6.3ct Diamond (Cushion, White, 10.76 x 10.76)