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13 Carat Aquamarine (Round, 15.99mm, Light Blue)

Color:
light blue
actual size
13ct Aquamarine displayed at actual size of 15.99×15.99mm, (Round cut, Light Blue
Actual size is set for screen


How big is a 13 carat round-cut Aquamarine?

It depends on the cut proportions, but typically a 13ct round-cut Aquamarine would measure around 15.99 mm (±4%) in diameter. You can check the finger coverage in the simulator below. 
Ring:
Skin tone:
Ring width: 3.0 mm
Saved...
Finger image
Ring on finger
Light Blue 13ct Aquamarine (round cut) shown in real-world size of 15.99×15.99mm 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
95 %
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:
Round
Chemical Formula:
Be3Al2Si6O18
Crystal Structure:
Hexagonal
Hardness:
7.5 - 8.0
Specific Gravity
2.72
Carat weight:
13 ct
Gram weight:
2.6 g (0.0917 ounces)
Points:
1300 pts
Length:
15.99 mm
Width:
15.99 mm
Average diameter:
15.99 mm
Est. face-up size:
200.81 mm²
Volume:
955.88 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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