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Whats a Culet?


tvanparys
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I have pasted a Detail of a diamond i found on a web site,

I am wondering if the numbers on this are good?

and mostly whats a Culet? is it a good or bad thing?

 

Shape: Signature Round

Laboratory: AGS

Carat Weight: .623

Color: F

Clarity: VVS1

 

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Measurements: 5.46x5.51x3.39

Depth: 61.9%

Table: 56%

Polish: Ideal

Symmetry: Ideal

Culet: Pointed

Girdle: 1.3-2.0

Fluorescence: None

Culet: Pointed

 

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Crown Angle : 34.4°

Crown %: 15.0

Pavillion Angle : 41.0°

Pavillion %: 43.2

Lab Comments: None

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this is another iam looking at

 

Stock Number: 5388721

Laboratory: GIA

Carat Weight: 0.65

Color: E

Clarity: VVS2

Shape: Round

 

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Depth: 62%

Table: 56%

Polish: EX

Symmetry: EX

 

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Culet: NON

Girdle: M-STK

Fluorescence: None

Measurements: 5.51x5.55x3.43

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tvanparys,

 

Both stone look like they have great potential. Have you seen them?

 

A culet is a small extra facet at the point of th pavilion that dulls the point. Some round brilliants have one while others don't. It's the reason that you hear the standard round brilliant has either 57 or 58 facets. They put it there because the point is fragile and this helps durability. It gets left off because it affects the optics of the stone. Most people like none to very small. Pointed means the same as none. On certain older cuts they are quite large and they can give it an interesting antique sort of look.

 

Neil Beaty

GG(GIA) ISA NAJA

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