7 Carat Aquamarine Cushion (12.19×12.19mm, Light Blue)
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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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Saved...
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Ring diameter:
16.9 mm
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Additional Info
Aquamarine is a blue to blue-green variety of beryl. The name comes from Latin "aqua marina" and means "water of the sea". The most valuable stones are those with the richest color saturation.
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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Aquamarine |
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Mineral Class:
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Beryl |
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Shape:
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Cushion |
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Chemical Formula:
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Be3Al2Si6O18 |
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Crystal Structure:
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Hexagonal |
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Hardness:
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7.5 - 8.0 |
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Specific Gravity
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2.7 |
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Carat weight:
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7 ct |
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Gram weight:
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1.4 g (0.0494 ounces) |
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Points:
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700 pts |
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Length:
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12.19 mm |
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Width:
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12.19 mm |
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Est. face-up size:
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133.74 mm² |
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Volume:
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518.52 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.57 - 1.58 |
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Cleavage:
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3,1 - basal |
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Luster:
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Vitreous |
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Birefringence:
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0.006 |
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Wearability:
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Excellent |
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Care Instructions:
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No special care |
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Color:
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Birthstone:
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Aquamarine is a birthstone for the month of March |
Popular comparisons:
- 7ct Aquamarine (Cushion, Light Blue, 12.19 x 12.19) vs. 5ct Diamond (Cushion, White, 9.96 x 9.96)
- 7ct Aquamarine (Cushion, Light Blue, 12.19 x 12.19) vs. 10ct Diamond (Cushion, White, 12.55 x 12.55)
- 7ct Aquamarine (Cushion, Light Blue, 12.19 x 12.19) vs. 7.81ct Morganite (Cushion, Light Red, 12.65 x 12.65)
- 7ct Aquamarine (Cushion, Light Blue, 12.19 x 12.19) vs. 7.1ct Morganite (Emerald, Light Purple, 13.99 x 10.36)
- 7ct Aquamarine (Cushion, Light Blue, 12.19 x 12.19) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 7ct Aquamarine (Cushion, Light Blue, 12.19 x 12.19) vs. 8.75ct Diamond (Cushion, White, 12.01 x 12.01)
- 7ct Aquamarine (Cushion, Light Blue, 12.19 x 12.19) vs. 7.81ct Morganite (Cushion, Light Purple, 12.65 x 12.65)
- 7ct Aquamarine (Cushion, Light Blue, 12.19 x 12.19) vs. 6.4ct Morganite (Emerald, Light Purple, 13.51 x 10.01)
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