0.7ct Ruby (Oval, 6.72×4.48mm, Red) vs 0.75ct Diamond (Princess, 5.01×5.01mm, White)
Quick summary: When looked from above (face-up position), 0.75ct Diamond (5.01×5.01mm, princess cut) appears 2% larger than 0.7ct Ruby (6.72×4.48mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 0.7ct Ruby (oval cut) |
vs
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0.75ct Diamond (princess cut) |
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red |
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| 6.72×4.48 mm | 5.01×5.01 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
0.7ct Ruby Oval (6.72×4.48mm, Red)
and
0.75ct Diamond Princess (5.01×5.01mm, 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.
| 0.7 Ct Ruby (Oval) | 0.75 Ct Diamond (Princess) | |
| 6.72×4.48 mm | vs | 5.01×5.01 mm |
| 24.69 mm² | 25.1 mm² |
| 0.7ct Ruby Oval (6.72×4.48mm) | |
| 0.75ct Diamond Princess (5.01×5.01mm) | |
| Difference: 2% (0.41 mm²) |
0.75ct Diamond (Princess, 5.01×5.01mm) has approx. 2% more face-up area than 0.7ct Ruby (Oval, 6.72×4.48mm).
Popular comparisons:
- 0.7ct Ruby (Oval, Red, 6.72 x 4.48) vs. 0.25ct Diamond (Pear, White, 5.69 x 3.43)
- 0.7ct Ruby (Oval, Red, 6.72 x 4.48) vs. 1.7ct Ruby (Oval, Red, 9.03 x 6.02)
- 0.7ct Ruby (Oval, Red, 6.72 x 4.48) vs. 0.2ct Emerald (Round, Green, 3.99 x 3.99)
- 0.7ct Ruby (Oval, Red, 6.72 x 4.48) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.7ct Ruby (Oval, Red, 6.72 x 4.48) vs. 1.5ct Diamond (Oval, White, 9.29 x 6.19)
- 0.7ct Ruby (Oval, Red, 6.72 x 4.48) vs. 0.52ct Diamond (Pear, White, 7.27 x 4.38)
- 0.7ct Ruby (Oval, Red, 6.72 x 4.48) vs. 1.2ct Ruby (Oval, Red, 8.04 x 5.36)
- 0.7ct Ruby (Oval, Red, 6.72 x 4.48) vs. 0.5ct Emerald (Oval, Green, 6.84 x 4.56)