3ct Spinel (Emerald, 9.54×7.07mm, Red) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 3ct Spinel (9.54×7.07mm, emerald cut) appears 72% larger than 1ct Emerald (7.28×5.39mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 3ct Spinel (emerald cut) |
vs
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1ct Emerald (emerald cut) |
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red |
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| 9.54×7.07 mm | 7.28×5.39 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
3ct Spinel Emerald (9.54×7.07mm, Red)
and
1ct Emerald Emerald (7.28×5.39mm, Green)
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, Spinel will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.6 vs. 2.72 - this means it's "heavier" compared to Emerald 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.
| 3 Ct Spinel (Emerald) | 1 Ct Emerald (Emerald) | |
| 9.54×7.07 mm | vs | 7.28×5.39 mm |
| 62.73 mm² | 36.49 mm² |
| 3ct Spinel Emerald (9.54×7.07mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 72% (26.24 mm²) |
3ct Spinel (Emerald, 9.54×7.07mm) has approx. 72% more face-up area than 1ct Emerald (Emerald, 7.28×5.39mm).
Popular comparisons:
- 3ct Spinel (Emerald, Red, 9.54 x 7.07) vs. 3ct Sapphire (Emerald, Blue, 9 x 7)
- 3ct Spinel (Emerald, Red, 9.54 x 7.07) vs. 3ct Chrysoberyl (Emerald, Light Yellowish Green, 9.45 x 7)
- 3ct Spinel (Emerald, Red, 9.54 x 7.07) vs. 3ct Diamond (Emerald, White, 9.64 x 7.14)
- 9ct Spinel (Emerald, Red, 13.76 x 10.19) vs. 8ct Diamond (Emerald, White, 13.37 x 9.9)
- 2.35ct Spinel (Emerald, Light Blue, 8.9 x 6.7) vs. 2.35ct Spinel (Emerald, Light Blue, 8.79 x 6.51)
- 1.75ct Spinel (Emerald, Light Brown, 7.97 x 5.9) vs. 1.5ct Diamond (Emerald, White, 7.65 x 5.67)
- 12ct Spinel (Emerald, Dark Red, 15.15 x 11.22) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Spinel (Emerald, Gray, 9.5 x 6.6) vs. 1ct Chrysoberyl (Princess, Yellowish Green, 6 x 6)