0.5ct Ruby (Emerald, 5.06×3.75mm, Red) vs 0.5ct Spinel (Emerald, 5.25×3.89mm, Red)
Quick summary: When looked from above (face-up position), 0.5ct Spinel (5.25×3.89mm, emerald cut) appears 8% larger than 0.5ct Ruby (5.06×3.75mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 0.5ct Ruby (emerald cut) |
vs
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0.5ct Spinel (emerald cut) |
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red |
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| 5.06×3.75 mm | 5.25×3.89 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
0.5ct Ruby Emerald (5.06×3.75mm, Red)
and
0.5ct Spinel Emerald (5.25×3.89mm, 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 Spinel for a given
carat weight, because it has higher specific gravity
(4 vs. 3.6 - this means it's "heavier" compared to Spinel 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.
| 0.5 Ct Ruby (Emerald) | 0.5 Ct Spinel (Emerald) | |
| 5.06×3.75 mm | vs | 5.25×3.89 mm |
| 17.65 mm² | 18.99 mm² |
| 0.5ct Ruby Emerald (5.06×3.75mm) | |
| 0.5ct Spinel Emerald (5.25×3.89mm) | |
| Difference: 8% (1.34 mm²) |
0.5ct Spinel (Emerald, 5.25×3.89mm) has approx. 8% more face-up area than 0.5ct Ruby (Emerald, 5.06×3.75mm).
Popular comparisons:
- 0.5ct Ruby (Emerald, Red, 5.06 x 3.75) vs. 0.5ct Diamond (Emerald, White, 5.31 x 3.93)
- 0.5ct Ruby (Emerald, Red, 5.06 x 3.75) vs. 0.7ct Diamond (Emerald, White, 5.93 x 4.39)
- 0.5ct Ruby (Emerald, Red, 5.06 x 3.75) vs. 0.35ct Diamond (Emerald, White, 4.71 x 3.49)
- 0.5ct Ruby (Emerald, Red, 5.06 x 3.75) vs. 1ct Ruby (Emerald, Red, 6.39 x 4.73)
- 0.5ct Ruby (Emerald, Red, 5.06 x 3.75) vs. 0.5ct Emerald (Round, Green, 5.41 x 5.41)
- 0.5ct Ruby (Emerald, Red, 5.06 x 3.75) vs. 0.34ct Diamond (Emerald, White, 4.66 x 3.45)
- 0.5ct Ruby (Emerald, Red, 5.06 x 3.75) vs. 0.8ct Emerald (Emerald, Green, 6.76 x 5.01)
- 0.5ct Ruby (Emerald, Red, 5.06 x 3.75) vs. 0.9ct Diamond (Emerald, White, 6.45 x 4.78)
- 0.5ct Ruby (Emerald, Red, 5.06 x 3.75) vs. 4ct Sapphire (Emerald, Yellow, 10.14 x 7.51)