0.85 Carat Ruby Pear (7.87×4.74mm, Red)
Color:
Actual size is set for screen
Ring:
Skin tone:
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Ring width:
3.0 mm
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Saved...
64 mm
| Your settings | |
|---|---|
Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
Finger coverage |
29 % |
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Saved...
|
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Ring diameter:
16.9 mm
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Additional Info
Ruby is a red to pink variety of the mineral Corundum. Its name comes from the Latin word "ruber", which simply means "red". Most Rubies on the market are heat-treated to enhance their color and clarity.
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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Ruby |
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Mineral Group:
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Corundum |
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Shape:
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Pear |
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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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0.85 ct |
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Gram weight:
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0.17 g (0.006 ounces) |
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Points:
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85 pts |
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Length:
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7.87 mm |
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Width:
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4.74 mm |
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Est. face-up size:
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27.23 mm² |
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Volume:
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42.5 mm³ |
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Length-to-width ratio:
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1.66 |
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Refractive Index:
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1.76 - 1.77 |
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Luster:
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Vitreous to adamantine |
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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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Ruby can be found in the following colors:
 
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Birthstone:
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Ruby is a birthstone for the month of July |
Popular comparisons:
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 12ct Ruby (Pear, Red, 19.01 x 11.45) vs. 12ct Ruby (Oval, Red, 17.31 x 11.54)
- 2.2ct Ruby (Pear, Dark Red, 10 x 7) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1ct Ruby (Pear, Red, 8.3 x 5) vs. 1ct Diamond (Pear, White, 9.05 x 5.45)
- 5.75ct Ruby (Pear, Red, 12 x 9) vs. 2.5ct Ruby (Emerald, Red, 8.67 x 6.42)
- 27ct Ruby (Pear, Red, 24.92 x 15.01) vs. 25ct Diamond (Pear, Light Blue, 26.46 x 15.94)
- 0.53ct Ruby (Pear, Red, 4.5 x 5.5) vs. 0.56ct Sapphire (Pear, Blue, 7 x 4.5)
- 1.15ct Ruby (Pear, Red, 8.7 x 5.24) vs. 5.56ct Ruby (Pear, Red, 14.71 x 8.86)