3.66ct Sapphire (Emerald, 9.77×6.94mm, Dark Bluish Green) vs 0.18ct Diamond (Emerald, 4.4×2.8mm, White)
Quick summary: When looked from above (face-up position), 3.66ct Sapphire (9.77×6.94mm, emerald cut) appears 5.5 times larger than 0.18ct Diamond (4.4×2.8mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 3.66ct Sapphire (emerald cut) |
vs
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0.18ct Diamond (emerald cut) |
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dark bluish green |
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| 9.77×6.94 mm | 4.4×2.8 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
3.66ct Sapphire Emerald (9.77×6.94mm, Dark Bluish Green)
and
0.18ct Diamond Emerald (4.4×2.8mm, 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, Sapphire 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.
| 3.66 Ct Sapphire (Emerald) | 0.18 Ct Diamond (Emerald) | |
| 9.77×6.94 mm | vs | 4.4×2.8 mm |
| 63.06 mm² | 11.46 mm² |
| 3.66ct Sapphire Emerald (9.77×6.94mm) | |
| 0.18ct Diamond Emerald (4.4×2.8mm) | |
| Difference: 450% (51.6 mm²) |
3.66ct Sapphire (Emerald, 9.77×6.94mm) has approx. 450% more face-up area than 0.18ct Diamond (Emerald, 4.4×2.8mm). In other words, it's 5.5x larger.
Popular comparisons:
- 3.66ct Sapphire (Emerald, Dark Bluish Green, 9.77 x 6.94) vs. 2ct Aquamarine (Emerald, Light Bluish Green, 9 x 7)
- 3.66ct Sapphire (Emerald, Dark Bluish Green, 9.77 x 6.94) vs. 0.4ct Diamond (Baguette, White, 5.33 x 3.55)
- 3.66ct Sapphire (Emerald, Dark Bluish Green, 9.77 x 6.94) vs. 3ct Topaz (Emerald, Dark Bluish Green, 9 x 7)
- 3.66ct Sapphire (Emerald, Dark Bluish Green, 9.77 x 6.94) vs. 0.18ct Diamond (Baguette, White, 4.4 x 2.8)
- 3.66ct Sapphire (Emerald, Dark Bluish Green, 9.77 x 6.94) vs. 2ct Sapphire (Emerald, Dark Bluish Green, 8.05 x 5.96)
- 3.66ct Sapphire (Emerald, Dark Bluish Green, 9.77 x 6.94) vs. 0.3ct Diamond (Baguette, White, 4.85 x 3.23)
- 3.66ct Sapphire (Emerald, Dark Bluish Green, 9.77 x 6.94) vs. 0.5ct Diamond (Baguette, White, 5.75 x 3.83)
- 3.66ct Sapphire (Emerald, Dark Bluish Green, 9.77 x 6.94) vs. 3ct Topaz (Emerald, Dark Bluish Green, 9.6 x 7.11)