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0.25 Carat Sapphire Emerald (4.02×2.98mm, Dark Blue)

Color:
dark blue
actual size
0.25ct Sapphire displayed at actual size of 4.02×2.98mm, (Emerald cut, Dark Blue
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Actual size is set for screen
Ring:
Skin tone:
Ring width: 3.0 mm
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Finger image
Ring on finger
Dark Blue 0.25ct Sapphire (emerald cut) shown in real-world size of 4.02×2.98mm on a ring and finger
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
 18 %
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Ring diameter: 16.9 mm
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Additional Info

Sapphire got its name from the Greek word "sappheiros", which means "blue stone". Today, most people still associate Sapphires with the color blue, however, any gemstone quality Corundum that is not red (Ruby) is actually called Sapphire.

Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Gem Details

Name:
Sapphire
Mineral Group:
Corundum
Shape:
Emerald
Chemical Formula:
Al2O3
Crystal Structure:
Hexagonal
Hardness:
9
Specific Gravity
4
Carat weight:
0.25 ct
Gram weight:
0.05 g (0.0018 ounces)
Points:
25 pts
Length:
4.02 mm
Width:
2.98 mm
Est. face-up size:
11.14 mm²
Volume:
12.5 mm³
Length-to-width ratio:
1.35
Refractive Index:
1.76 - 1.77
Luster:
Vitreous to adamantine
Wearability:
Excellent
Care Instructions:
No special or unusual care
Color:
Sapphire can be found in the following colors:
Color WhiteColor Light OrangeColor OrangeColor Light BrownColor BrownColor Dark BrownColor Light YellowColor YellowColor Light Yellowish GreenColor Yellowish GreenColor Dark Yellowish GreenColor Light Green Color GreenColor Dark GreenColor Light Bluish GreenColor Bluish GreenColor Dark Bluish GreenColor Light BlueColor BlueColor Dark BlueColor Light VioletColor VioletColor Dark VioletColor Light PurpleColor PurpleColor Dark PurpleColor Light GrayColor GrayColor Black
Birthstone:
Sapphire is a birthstone for the month of September

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