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36 Carat Aquamarine (Cushion, 20.78×20.78mm, Light Blue)

Color:
light blue
actual size
36ct Aquamarine displayed at actual size of 20.78×20.78mm, (Cushion cut, Light Blue
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How big is a 36 carat cushion-cut Aquamarine?

It depends on the cut parameters and length-to-width ratio, but a typical size of a 36ct square cushion-cut Aquamarine would be around 20.78×20.78 mm (±6%). Check how big it looks on a ring and finger. 
Ring:
Skin tone:
Ring width: 3.0 mm
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Finger image
Ring on finger
Light Blue 36ct Aquamarine (cushion cut) shown in real-world size of 20.78×20.78mm 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
 123 %
Saved...
Ring diameter: 16.9 mm
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Additional Info

Aquamarine is a blue to blue-green variety of beryl. The name comes from Latin "aqua marina" and means "water of the sea". The most valuable stones are those with the richest color saturation.

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

Gem Details

Name:
Aquamarine
Mineral Group:
Beryl
Shape:
Cushion
Chemical Formula:
Be3Al2Si6O18
Crystal Structure:
Hexagonal
Hardness:
7.5 - 8.0
Specific Gravity
2.72
Carat weight:
36 ct
Gram weight:
7.2 g (0.254 ounces)
Points:
3600 pts
Length:
20.78 mm
Width:
20.78 mm
Est. face-up size:
388.63 mm²
Volume:
2647.06 mm³
Length-to-width ratio:
1
Refractive Index:
1.57 - 1.58
Luster:
Vitreous
Wearability:
Excellent
Care Instructions:
No special care
Color:
Aquamarine can be found in the following colors:
Color Light Bluish GreenColor Bluish GreenColor Dark Bluish GreenColor Light BlueColor BlueColor Dark Blue
Birthstone:
Aquamarine is a birthstone for the month of March

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