1ct Ruby (Oval, 7.56×5.04mm, Dark Red) vs 0.23ct Diamond (Round, 3.98×3.98mm, White)
Quick summary: When looked from above (face-up position), 1ct Ruby (7.56×5.04mm, oval cut) appears 2.5 times larger than 0.23ct Diamond (3.98×3.98mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1ct Ruby (oval cut) |
vs
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0.23ct Diamond (round cut) |
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dark red |
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| 7.56×5.04 mm | 3.98×3.98 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
1ct Ruby Oval (7.56×5.04mm, Dark Red)
and
0.23ct Diamond Round (3.98×3.98mm, 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.
| 1 Ct Ruby (Oval) | 0.23 Ct Diamond (Round) | |
| 7.56×5.04 mm | vs | 3.98×3.98 mm |
| 31.24 mm² | 12.44 mm² |
| 1ct Ruby Oval (7.56×5.04mm) | |
| 0.23ct Diamond Round (3.98×3.98mm) | |
| Difference: 151% (18.8 mm²) |
1ct Ruby (Oval, 7.56×5.04mm) has approx. 151% more face-up area than 0.23ct Diamond (Round, 3.98×3.98mm). In other words, it's 2.51x larger.
Popular comparisons:
- 1ct Ruby (Oval, Dark Red, 7.56 x 5.04) vs. 1ct Aquamarine (Emerald, Light Blue, 7.28 x 5.39)
- 1ct Ruby (Oval, Dark Red, 7.56 x 5.04) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Ruby (Oval, Dark Red, 7.56 x 5.04) vs. 1ct Sapphire (Oval, Blue, 7.56 x 5.04)
- 1ct Ruby (Oval, Dark Red, 7.56 x 5.04) vs. 0.5ct Ruby (Oval, Dark Red, 6 x 4)
- 1ct Ruby (Oval, Dark Red, 7.56 x 5.04) vs. 1.5ct Diamond (Round, White, 7.44 x 7.44)
- 1ct Ruby (Oval, Dark Red, 7.56 x 5.04) vs. 1.5ct Diamond (Oval, White, 9.29 x 6.19)
- 4ct Ruby (Oval, Red, 11 x 8.15) vs. 2.75ct Diamond (Oval, White, 11.37 x 7.58)
- 2ct Ruby (Oval, Red, 9.53 x 6.35) vs. 1.13ct Diamond (Round, White, 6.77 x 6.77)