6ct Ruby (Baguette, 12.6×8.4mm, Red) vs 2.75ct Diamond (Round, 9.11×9.11mm, White)
Quick summary: When looked from above (face-up position), 6ct Ruby (12.6×8.4mm, baguette cut) appears 62% larger than 2.75ct Diamond (9.11×9.11mm, round cut). See below how they compare side-by-side on a ring and finger.
| 6ct Ruby (baguette cut) |
vs
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2.75ct Diamond (round cut) |
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red |
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| 12.6×8.4 mm | 9.11×9.11 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 Ruby Baguette (12.6×8.4mm, Red)
and
2.75ct Diamond Round (9.11×9.11mm, 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
All things being equal, Ruby will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4 vs. 3.52 - this means it's "heavier" compared to Diamond of the same size). Face-up size also depends heavily on 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.
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 Ruby (Baguette) | 2.75 Ct Diamond (Round) | |
| 12.6×8.4 mm | vs | 9.11×9.11 mm |
| 105.84 mm² | 65.18 mm² |
| 6ct Ruby Baguette (12.6×8.4mm) | |
| 2.75ct Diamond Round (9.11×9.11mm) | |
| Difference: 62% (40.66 mm²) |
6ct Ruby (Baguette, 12.6×8.4mm) has approx. 62% more face-up area than 2.75ct Diamond (Round, 9.11×9.11mm).
Popular comparisons:
- 3.8ct Ruby (Baguette, Red, 10.82 x 7.21) vs. 8.16ct Emerald (Oval, Green, 17.36 x 11.57)
- 1ct Ruby (Baguette, Red, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Ruby (Baguette, Dark Red, 5.51 x 3.67) vs. 0.7ct Ruby (Baguette, Dark Red, 6.15 x 4.1)
- 20ct Ruby (Baguette, Red, 18.81 x 12.54) vs. 11ct Emerald (Emerald, Green, 20 x 10)
- 3ct Ruby (Baguette, Red, 9.99 x 6.66) vs. 5ct Ruby (Baguette, Red, 11.85 x 7.9)
- 0.5ct Ruby (Baguette, Red, 5.51 x 3.67) vs. 0.3ct Ruby (Baguette, Red, 4.64 x 3.09)
- 0.75ct Ruby (Baguette, Red, 6.3 x 4.2) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.2ct Ruby (Baguette, Red, 4.05 x 2.7) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)