1.78 Carat Diamond Cushion (8.56×6.55mm, White)
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Ring:
Skin tone:
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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
Diamond is the hardest natural material (nothing can scratch it, but another diamond) and a very attractive and expensive gem. Diamonds can occur in a whole spectrum of colors, although white or colorless are the most popular.
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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Diamond |
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Mineral Class:
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Diamond |
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Shape:
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Cushion |
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Chemical Formula:
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C |
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Crystal Structure:
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Isometric |
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Hardness:
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10 |
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Specific Gravity
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3.52 |
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Carat weight:
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1.78 ct |
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Gram weight:
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0.36 g (0.0126 ounces) |
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Points:
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178 pts |
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Length:
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8.56 mm |
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Width:
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6.55 mm |
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Est. face-up size:
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50.46 mm² |
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Volume:
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101.14 mm³ |
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Length-to-width ratio:
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1.31 |
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Refractive Index:
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2.417 - 2.419 |
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Cleavage:
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1 |
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Luster:
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Adamantine |
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Birefringence:
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None |
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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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Diamond is a birthstone for the month of April |
Popular comparisons:
- 1.78ct Diamond (Cushion, White, 8.56 x 6.55) vs. 1.03ct Diamond (Pear, White, 9.13 x 5.5)
- 1.78ct Diamond (Cushion, White, 8.56 x 6.55) vs. 1.35ct Diamond (Cushion, White, 8.28 x 5.47)
- 1.78ct Diamond (Cushion, White, 8.56 x 6.55) vs. 1.6ct Tanzanite (Oval, Blue, 9.44 x 6.29)
- 1.78ct Diamond (Cushion, White, 8.56 x 6.55) vs. 1.9ct Diamond (Cushion, White, 7.22 x 7.22)
- 1.78ct Diamond (Cushion, White, 8.56 x 6.55) vs. 1.9ct Diamond (Cushion, White, 7.8 x 6.2)
- 1.78ct Diamond (Cushion, White, 8.56 x 6.55) vs. 1.9ct Diamond (Cushion, White, 8.2 x 6.6)
- 1.78ct Diamond (Cushion, White, 8.56 x 6.55) vs. 1.9ct Diamond (Cushion, White, 8.6 x 6.6)
- 1.01ct Diamond (Cushion, White, 5.85 x 5.85) vs. 1ct Spinel (Cushion, Red, 5.79 x 5.79)
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