0.71ct Diamond (Round, 5.8×5.8mm, Blue) vs 1ct Ruby (Oval, 5.8×5.8mm, Red)
Quick summary: When looked from above (face-up position), 1ct Ruby (5.8×5.8mm, oval cut) appears 4% larger than 0.71ct Diamond (5.8×5.8mm, round cut). See below how they compare side-by-side on a ring and finger.
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1ct Ruby (oval cut) |
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| 5.8×5.8 mm | 5.8×5.8 mm | |
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Actual sizes of
0.71ct Diamond Round (5.8×5.8mm, Blue)
and
1ct Ruby Oval (5.8×5.8mm, Red)
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.
| 0.71 Ct Diamond (Round) | 1 Ct Ruby (Oval) | |
| 5.8×5.8 mm | vs | 5.8×5.8 mm |
| 26.42 mm² | 27.58 mm² |
| 0.71ct Diamond Round (5.8×5.8mm) | |
| 1ct Ruby Oval (5.8×5.8mm) | |
| Difference: 4% (1.16 mm²) |
1ct Ruby Oval (5.8×5.8mm) has approx. 4% more face-up area than 0.71ct Diamond Round (5.8×5.8mm).
Popular comparisons:
- 0.71ct Diamond (Round, Blue, 5.8 x 5.8) vs. 1ct Ruby (Cushion, Red, 6.4 x 5.6)
- 0.71ct Diamond (Round, Blue, 5.8 x 5.8) vs. 1ct Ruby (Oval, Red, 5.8 x 6.8)
- 0.71ct Diamond (Round, Blue, 5.8 x 5.8) vs. 1ct Ruby (Oval, Red, 6.3 x 5.6)
- 0.1ct Diamond (Round, White, 3.02 x 3.02) vs. 0.15ct Diamond (Round, White, 3.45 x 3.45)
- 1.5ct Diamond (Round, White, 7.5 x 7.5) vs. 2ct Diamond (Round, White, 8 x 8)
- 20ct Diamond (Round, White, 17.64 x 17.64) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
- 1ct Diamond (Round, White, 6.5 x 6.5) vs. 1.25ct Diamond (Round, White, 7 x 7)
- 0.4ct Diamond (Round, White, 4.79 x 4.79) vs. 0.5ct Diamond (Round, White, 5.16 x 5.16)
Enter your screen size (diagonal)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.