1.35 Carat Spinel Round (6.84×6.84 mm)
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Ring width:
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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
Spinel is a rare gemstone that occurs in practically all colors. Because of similar properties red and blue Spinels have often been mistaken for Rubies and Sapphires. For example, the Black Prince's Ruby is actually a Spinel.
Where to buy?
Where to buy?
For certified gemstones and high-end gemstone jewelry, check offers at:
James Allen → quality gemstones (Rubies, Sapphires, Emeralds) and especially Diamonds
Blue Nile → gemstones and diamonds, birthstones jewelry
Brian Gavin → nice selection of gemstones, top-end signature diamonds
Gem Details
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Name:
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Spinel |
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Mineral Class:
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Spinel |
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Shape:
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Round |
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Chemical Formula:
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MgAl2O4 |
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Crystal Structure:
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Isometric |
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Hardness:
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7.5-8 |
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Specific Gravity
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3.6 |
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Carat weight:
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1.35 ct |
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Gram weight:
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0.27 g (0.0095 ounces) |
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Points:
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135 pts |
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Length:
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6.84 mm |
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Width:
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6.84 mm |
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Average diameter:
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6.84 mm |
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Est. face-up size:
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36.75 mm² |
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Volume:
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75 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.712 - 1.736 |
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Cleavage:
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None |
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Luster:
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Vitreous |
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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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Spinel is not an official birthstone for any month |
Popular comparisons:
- 1.35ct Spinel (Round, Red, 6.84 x 6.84) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.35ct Spinel (Round, Red, 6.84 x 6.84) vs. 1.35ct Diamond (Round, White, 7.04 x 7.09)
- 1.35ct Spinel (Round, Red, 6.84 x 6.84) vs. 10ct Diamond (Pear, White, 19.49 x 11.74)
- 1.35ct Spinel (Round, Red, 6.84 x 6.84) vs. 1.5ct Diamond (Pear, White, 10.36 x 6.24)
- 1.35ct Spinel (Round, Red, 6.84 x 6.84) vs. 2.5ct Diamond (Pear, White, 12.28 x 7.4)
- 1.35ct Spinel (Round, Red, 6.84 x 6.84) vs. 1ct Diamond (Round, Light Red, 6.5 x 6.5)
- 1.35ct Spinel (Round, Red, 6.84 x 6.84) vs. 2ct Diamond (Pear, White, 11.4 x 6.87)
- 1.35ct Spinel (Round, Red, 6.84 x 6.84) vs. 15ct Diamond (Pear, White, 22.31 x 13.44)
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