1ct Ruby (Cabochon, 6.84×4.56mm, Red) vs 0.65ct Emerald (Emerald, 6.3×4.67mm, Green)
Quick summary: When looked from above (face-up position), 0.65ct Emerald (6.3×4.67mm, emerald cut) appears 7% larger than 1ct Ruby (6.84×4.56mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 1ct Ruby (cabochon cut) |
vs
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0.65ct Emerald (emerald cut) |
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red |
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| 6.84×4.56 mm | 6.3×4.67 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
1ct Ruby Cabochon (6.84×4.56mm, Red)
and
0.65ct Emerald Emerald (6.3×4.67mm, 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, Ruby will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(4 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.
| 1 Ct Ruby (Cabochon) | 0.65 Ct Emerald (Emerald) | |
| 6.84×4.56 mm | vs | 6.3×4.67 mm |
| 25.58 mm² | 27.36 mm² |
| 1ct Ruby Cabochon (6.84×4.56mm) | |
| 0.65ct Emerald Emerald (6.3×4.67mm) | |
| Difference: 7% (1.78 mm²) |
0.65ct Emerald (Emerald, 6.3×4.67mm) has approx. 7% more face-up area than 1ct Ruby (Cabochon, 6.84×4.56mm).
Popular comparisons:
- 1ct Ruby (Cabochon, Red, 6.84 x 4.56) vs. 0.65ct Emerald (Cabochon, Green, 6.77 x 4.51)
- 1ct Ruby (Cabochon, Red, 6.84 x 4.56) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Ruby (Cabochon, Red, 6.84 x 4.56) vs. 0.5ct Ruby (Oval, Red, 6 x 4)
- 1ct Ruby (Cabochon, Red, 6.84 x 4.56) vs. 1ct Tourmaline (Cabochon, Violet, 7.46 x 4.97)
- 1ct Ruby (Cabochon, Red, 6.84 x 4.56) vs. 1ct Spinel (Cabochon, Red, 7.1 x 4.73)
- 1ct Ruby (Cabochon, Red, 6.84 x 4.56) vs. 0.1ct Diamond (Round, White, 3.02 x 3.02)
- 1ct Ruby (Cabochon, Red, 6.84 x 4.56) vs. 1ct Diamond (Cabochon, White, 7.14 x 4.76)
- 1ct Ruby (Cabochon, Red, 6.84 x 4.56) vs. 5ct Ruby (Cushion, Red, 9.56 x 9.56)