0.05ct Ruby (Round, 2.2×2.2mm, Red) vs 0.25ct Diamond (Princess, 3.47×3.47mm, White)
Quick summary: When looked from above (face-up position), 0.25ct Diamond (3.47×3.47mm, princess cut) appears 3.2 times larger than 0.05ct Ruby (2.2×2.2mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.05ct Ruby (round cut) |
vs
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0.25ct Diamond (princess cut) |
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red |
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| 2.2×2.2 mm | 3.47×3.47 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
0.05ct Ruby Round (2.2×2.2mm, Red)
and
0.25ct Diamond Princess (3.47×3.47mm, 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.
| 0.05 Ct Ruby (Round) | 0.25 Ct Diamond (Princess) | |
| 2.2×2.2 mm | vs | 3.47×3.47 mm |
| 3.8 mm² | 12.04 mm² |
| 0.05ct Ruby Round (2.2×2.2mm) | |
| 0.25ct Diamond Princess (3.47×3.47mm) | |
| Difference: 217% (8.24 mm²) |
0.25ct Diamond (Princess, 3.47×3.47mm) has approx. 217% more face-up area than 0.05ct Ruby (Round, 2.2×2.2mm). In other words, it's 3.17x larger.
Popular comparisons:
- 0.05ct Ruby (Round, Red, 2.2 x 2.2) vs. 0.2ct Ruby (Round, Red, 3.5 x 3.5)
- 0.05ct Ruby (Round, Red, 2.2 x 2.2) vs. 0.05ct Diamond (Round, White, 2.39 x 2.39)
- 0.05ct Ruby (Round, Red, 2.2 x 2.2) vs. 0.5ct Emerald (Round, Green, 5.41 x 5.41)
- 0.05ct Ruby (Round, Red, 2.2 x 2.2) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.05ct Ruby (Round, Red, 2.2 x 2.2) vs. 0.2ct Sapphire (Round, Blue, 3.5 x 3.5)
- 0.05ct Ruby (Round, Red, 2.2 x 2.2) vs. 0.2ct Sapphire (Round, Yellow, 3.5 x 3.5)
- 0.05ct Ruby (Round, Red, 2.2 x 2.2) vs. 0.07ct Sapphire (Round, Yellow, 2.46 x 2.46)
- 0.05ct Ruby (Round, Red, 2.2 x 2.2) vs. 0.06ct Ruby (Round, Red, 2.34 x 2.34)