3 Carat Apatite (Cushion, 8.6×8.6mm, Green)
Color:
Actual size is set for screen
How big is a 3 carat cushion-cut Apatite?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 3ct square cushion-cut Apatite would be around 8.6×8.6 mm (±6%). Check how big it looks on a ring and finger.
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 |
51 % |
|
Saved...
|
|
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Ring diameter:
16.9 mm
|
Additional Info
Apatite can appear in wide variety of colors, which is why it’s often mistaken for other gems. This characteristic actually gave it the name - from the Greek word apatao, which means "to deceive".
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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Apatite |
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Shape:
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Cushion |
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Chemical Formula:
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Ca5(PO4)3(F,OH,Cl) |
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Crystal Structure:
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Hexagonal |
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Hardness:
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5 |
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Specific Gravity
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3.2 |
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Carat weight:
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3 ct |
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Gram weight:
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0.6 g (0.0212 ounces) |
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Points:
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300 pts |
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Length:
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8.6 mm |
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Width:
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8.6 mm |
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Est. face-up size:
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66.56 mm² |
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Volume:
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187.5 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.628 - 1.651 |
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Luster:
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Vitreous |
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Wearability:
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Good |
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Care Instructions:
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It's quite soft so care should be taken when storing it with jewelry that could scratch its surface |
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Color:
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Apatite can be found in the following colors:
                              
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Birthstone:
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Apatite is not an official birthstone of any month |
Popular comparisons:
- 5ct Apatite (Cushion, Bluish Green, 10 x 12.4) vs. 5ct Topaz (Round, Light Blue, 12 x 12)
- 4.6ct Apatite (Cushion, Green, 10.02 x 10.02) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Apatite (Cushion, Light Blue, 6.02 x 6.02) vs. 1ct Topaz (Oval, Light Blue, 7.89 x 5.26)
- 5ct Apatite (Cushion, Bluish Green, 12 x 10) vs. 5ct Topaz (Round, Light Blue, 12 x 12)
- 1ct Apatite (Cushion, Bluish Green, 6.02 x 6.02) vs. 1ct Topaz (Cushion, Light Bluish Green, 5.83 x 5.83)
- 1ct Apatite (Cushion, Purple, 7.69 x 5.68) vs. 1ct Apatite (Pear, Dark Green, 9 x 6)
- 1ct Apatite (Cushion, Purple, 7.69 x 5.68) vs. 1ct Apatite (Pear, Dark Green, 9.4 x 5.2)
- 1.5ct Apatite (Cushion, Green, 6.9 x 6.9) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)