2.9 Carat Sapphire Cushion (8.94×6.87mm, Light Blue)
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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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Cushion |
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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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2.9 ct |
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Gram weight:
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0.58 g (0.0205 ounces) |
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Points:
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290 pts |
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Length:
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8.94 mm |
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Width:
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6.87 mm |
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Est. face-up size:
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55.28 mm² |
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Volume:
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145 mm³ |
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Length-to-width ratio:
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1.3 |
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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:
- 2.9ct Sapphire (Cushion, Light Blue, 8.94 x 6.87) vs. 2.98ct Diamond (Cushion, White, 9 x 9)
- 2.9ct Sapphire (Cushion, Light Blue, 8.94 x 6.87) vs. 2.23ct Diamond (Emerald, White, 7.4 x 7.11)
- 2.9ct Sapphire (Cushion, Light Blue, 8.94 x 6.87) vs. 2.22ct Diamond (Emerald, White, 7.19 x 7.07)
- 2.9ct Sapphire (Cushion, Light Blue, 8.94 x 6.87) vs. 1.55ct Diamond (Round, Light Red, 7.49 x 7.52)
- 2.9ct Sapphire (Cushion, Light Blue, 8.94 x 6.87) vs. 2.01ct Diamond (Pear, White, 11.08 x 7.03)
- 2.9ct Sapphire (Cushion, Light Blue, 8.94 x 6.87) vs. 4ct Sapphire (Cushion, Light Blue, 10 x 10)
- 2.9ct Sapphire (Cushion, Light Blue, 8.94 x 6.87) vs. 4.62ct Diamond (Pear, Black, 15.07 x 9.08)
- 2.9ct Sapphire (Cushion, Light Blue, 8.94 x 6.87) vs. 1.26ct Sapphire (Oval, Blue, 8.18 x 5.45)
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