3.66 Carat Sapphire Emerald (9.77×6.94mm, Dark Bluish Green)
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64 mm
| Your settings | |
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Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
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Ring diameter:
16.9 mm
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Additional Info
Sapphire got its name from the Greek word "sappheiros", which means "blue stone". Today, most people still associate Sapphires with the color blue, however, any gemstone quality Corundum that is not red (Ruby) is actually called Sapphire.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
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Name:
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Sapphire |
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Mineral Class:
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Corundum |
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Shape:
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Emerald |
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Chemical Formula:
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Al2O3 |
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Crystal Structure:
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Hexagonal |
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Hardness:
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9 |
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Specific Gravity
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4 |
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Carat weight:
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3.66 ct |
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Gram weight:
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0.73 g (0.0258 ounces) |
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Points:
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366 pts |
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Length:
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9.77 mm |
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Width:
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6.94 mm |
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Est. face-up size:
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63.06 mm² |
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Volume:
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183 mm³ |
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Length-to-width ratio:
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1.41 |
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Refractive Index:
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1.76 - 1.77 |
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Cleavage:
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None |
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Luster:
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Vitreous to adamantine |
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Birefringence:
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0.0008 |
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Wearability:
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Excellent |
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Care Instructions:
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No special or unusual care |
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Color:
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Birthstone:
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Sapphire is a birthstone for the month of September |
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. 2.23ct Sapphire (Oval, Dark Blue, 9.42 x 6.21)
- 3.66ct Sapphire (Emerald, Dark Bluish Green, 9.77 x 6.94) vs. 0.18ct Diamond (Emerald, White, 4.4 x 2.8)
- 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. 3.66ct Diamond (Emerald, White, 10.3 x 7.63)
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