0.77 Carat Sapphire Oval (7×5mm, Blue)
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Ring width:
3.0 mm
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64 mm
| Your settings | |
|---|---|
Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
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Saved...
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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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Oval |
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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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0.77 ct |
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Gram weight:
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0.15 g (0.0054 ounces) |
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Points:
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77 pts |
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Length:
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7 mm |
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Width:
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5 mm |
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Est. face-up size:
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28.7 mm² |
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Volume:
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38.5 mm³ |
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Length-to-width ratio:
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1.4 |
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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:
- 2ct Sapphire (Oval, Blue, 9.53 x 6.35) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 1.5ct Sapphire (Oval, Blue, 8.66 x 5.77) vs. 1.52ct Diamond (Oval, White, 9.33 x 6.22)
- 2.5ct Sapphire (Oval, White, 9 x 7) vs. 2.5ct Diamond (Oval, White, 9 x 7)
- 5ct Sapphire (Oval, Blue, 12.93 x 8.62) vs. 5ct Diamond (Oval, White, 13.88 x 9.25)
- 3ct Sapphire (Oval, Blue, 10.91 x 7.27) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 3ct Sapphire (Oval, Blue, 10.91 x 7.27) vs. 3ct Diamond (Oval, White, 11.7 x 7.8)
- 1.52ct Sapphire (Oval, Blue, 8.7 x 5.8) vs. 0.92ct Diamond (Round, White, 6.32 x 6.32)
- 15ct Sapphire (Oval, Blue, 18 x 13) vs. 13ct Sapphire (Oval, Blue, 16 x 12)
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