0.6ct Ruby (Round, 5.04×5.04mm, Red) vs 0.3ct Diamond (Round, 4.35×4.35mm, White)
Quick summary: When looked from above (face-up position), 0.6ct Ruby (5.04×5.04mm, round cut) appears 34% larger than 0.3ct Diamond (4.35×4.35mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.6ct Ruby (round cut) |
vs
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0.3ct Diamond (round cut) |
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red |
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| 5.04×5.04 mm | 4.35×4.35 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
0.6ct Ruby Round (5.04×5.04mm, Red)
and
0.3ct Diamond Round (4.35×4.35mm, 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.
| 0.6 Ct Ruby (Round) | 0.3 Ct Diamond (Round) | |
| 5.04×5.04 mm | vs | 4.35×4.35 mm |
| 19.95 mm² | 14.86 mm² |
| 0.6ct Ruby Round (5.04×5.04mm) | |
| 0.3ct Diamond Round (4.35×4.35mm) | |
| Difference: 34% (5.09 mm²) |
0.6ct Ruby (Round, 5.04×5.04mm) has approx. 34% more face-up area than 0.3ct Diamond (Round, 4.35×4.35mm).
Popular comparisons:
- 0.6ct Ruby (Round, Red, 5.04 x 5.04) vs. 0.6ct Sapphire (Round, Blue, 5.04 x 5.04)
- 0.6ct Ruby (Round, Red, 5.04 x 5.04) vs. 0.6ct Diamond (Round, White, 5.48 x 5.48)
- 0.6ct Ruby (Round, Red, 5.04 x 5.04) vs. 0.1ct Diamond (Round, White, 3.02 x 3.02)
- 0.6ct Ruby (Round, Red, 5.04 x 5.04) vs. 1ct Ruby (Round, Red, 5.98 x 5.98)
- 0.6ct Ruby (Round, Red, 5.04 x 5.04) vs. 0.6ct Emerald (Cushion, Green, 5.38 x 5.38)
- 0.6ct Ruby (Round, Red, 5.04 x 5.04) vs. 0.11ct Diamond (Round, White, 3.11 x 3.11)
- 0.6ct Ruby (Round, Red, 5.04 x 5.04) vs. 0.5ct Sapphire (Round, Blue, 4.75 x 4.75)
- 0.6ct Ruby (Round, Red, 5.04 x 5.04) vs. 0.3ct Ruby (Trillion, Red, 4.71 x 4.71)
Use the simulator on this page to play around with different ring and finger configurations.