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13 Carat Morganite (Round, 15.83mm, Light Purple)

Color:
light purple
actual size
13ct Morganite displayed at actual size of 15.83×15.83mm, (Round cut, Light Purple
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How big is a 13 carat round-cut Morganite?

It depends on the cut proportions, but typically a 13ct round-cut Morganite would measure around 15.83 mm (±4%) in diameter. You can check the finger coverage in the simulator below. 
Ring:
Skin tone:
Ring width: 3.0 mm
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Finger image
Ring on finger
Light Purple 13ct Morganite (round cut) shown in real-world size of 15.83×15.83mm 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
 94 %
Saved...
Ring diameter: 16.9 mm
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Additional Info

Morganite, also known as "pink Emerald", is a light pink variety of Beryl. It was named after J.P. Morgan, the famous financier, banker, and gem collector. In order to improve its color, it's quite common for Morganite to be heat treated.

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

Gem Details

Name:
Morganite
Mineral Group:
Beryl
Shape:
Round
Chemical Formula:
Be3Al2Si6O18
Crystal Structure:
Hexagonal
Hardness:
7.5 - 8.0
Specific Gravity
2.8
Carat weight:
13 ct
Gram weight:
2.6 g (0.0917 ounces)
Points:
1300 pts
Length:
15.83 mm
Width:
15.83 mm
Average diameter:
15.83 mm
Est. face-up size:
196.81 mm²
Volume:
928.57 mm³
Length-to-width ratio:
1
Refractive Index:
1.57-1.58
Luster:
Vitreous
Wearability:
Excellent
Care Instructions:
No special care
Color:
Morganite can be found in the following colors:
Color Light RedColor Light BrownColor Light VioletColor Light Purple
Birthstone:
Morganite is not an official birthstone of any month

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