1.5 Carat Tourmaline Round (7.45×7.45 mm)
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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
Tourmaline has been a very popular gemstone since antiquity. It comes in a wide variety of colors, many times with two, or even three colors at once. It got its name from the Sinhalese word "turamali", which means "stone of mixed colors".
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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Tourmaline |
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Mineral Class:
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Tourmaline |
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Shape:
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Round |
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Chemical Formula:
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N/a |
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Crystal Structure:
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Hexagonal |
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Hardness:
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7 - 7.5 |
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Specific Gravity
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3.1 |
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Carat weight:
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1.5 ct |
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Gram weight:
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0.3 g (0.0106 ounces) |
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Points:
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150 pts |
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Length:
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7.45 mm |
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Width:
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7.45 mm |
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Average diameter:
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7.45 mm |
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Est. face-up size:
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43.59 mm² |
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Volume:
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96.77 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.616 - 1.650 |
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Cleavage:
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3,2 |
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Luster:
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Vitreous |
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Birefringence:
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0.018 |
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Wearability:
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Very good |
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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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Tourmaline is a birthstone for the month of October |
Popular comparisons:
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Ruby (Oval, Red, 8.66 x 5.77)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Blue, 6.84 x 6.84)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Quartz (Oval, Orangey Red, 9.93 x 6.62)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Ruby (Oval, Red, 8.2 x 6)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Emerald, White, 7.3 x 5.41)
- 1ct Tourmaline (Round, Light Green , 6.51 x 6.51) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 2ct Tourmaline (Round, Violet, 8.2 x 8.2) vs. 2ct Tourmaline (Oval, Violet, 10.38 x 6.92)
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