1.5ct Ruby (Emerald, 7.3×5.41mm, Red) vs 1.5ct Spinel (Emerald, 7.57×5.61mm, Red)
Quick summary: When looked from above (face-up position), 1.5ct Spinel (7.57×5.61mm, emerald cut) appears 8% larger than 1.5ct Ruby (7.3×5.41mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Ruby (emerald cut) |
vs
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1.5ct Spinel (emerald cut) |
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red |
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| 7.3×5.41 mm | 7.57×5.61 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
1.5ct Ruby Emerald (7.3×5.41mm, Red)
and
1.5ct Spinel Emerald (7.57×5.61mm, 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.
| 1.5 Ct Ruby (Emerald) | 1.5 Ct Spinel (Emerald) | |
| 7.3×5.41 mm | vs | 7.57×5.61 mm |
| 36.73 mm² | 39.49 mm² |
| 1.5ct Ruby Emerald (7.3×5.41mm) | |
| 1.5ct Spinel Emerald (7.57×5.61mm) | |
| Difference: 8% (2.76 mm²) |
1.5ct Spinel (Emerald, 7.57×5.61mm) has approx. 8% more face-up area than 1.5ct Ruby (Emerald, 7.3×5.41mm).
Popular comparisons:
- 1.5ct Ruby (Emerald, Red, 7.3 x 5.41) vs. 1.5ct Diamond (Emerald, White, 7.65 x 5.67)
- 1.5ct Ruby (Emerald, Red, 7.3 x 5.41) vs. 2ct Diamond (Emerald, White, 8.42 x 6.24)
- 1.5ct Ruby (Emerald, Red, 7.3 x 5.41) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1.5ct Ruby (Emerald, Red, 7.3 x 5.41) vs. 4.5ct Sapphire (Oval, Dark Blue, 12.48 x 8.32)
- 1.5ct Ruby (Emerald, Red, 7.3 x 5.41) vs. 1.5ct Ruby (Cushion, Red, 6.4 x 6.4)
- 1.5ct Ruby (Emerald, Red, 7.3 x 5.41) vs. 5ct Ruby (Oval, Red, 12.93 x 8.62)
- 1.5ct Ruby (Emerald, Red, 7.3 x 5.41) vs. 0.5ct Ruby (Round, Red, 4.75 x 4.75)
- 1.5ct Ruby (Emerald, Red, 7.3 x 5.41) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.5ct Ruby (Emerald, Red, 7.3 x 5.41) vs. 2.5ct Diamond (Emerald, White, 9.07 x 6.72)