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Jewelry Books

Diamond Ring Buying Guide by Renee Newman
Consumer-oriented book filled with useful information, drawings & pictures for 1st time diamond buyer.

Photo Masters of Diamond Grading by Gary Roskin
Photo Masters is a compilation of 244 extraordinary photomicrographs, suitable for students or experienced diamond graders.

Blood Diamonds

Blood Diamonds cost torture & death for Sierra Leone residents. Conflict Diamonds finance civil wars & terrorists, including al Qaeda.

Antique Price Guide

By Judith Miller, author of more than 80 books on antiques, including "How to Make Money Out of Antiques."

 

 

Fancy shapes are less expensive than Rounds. There is one quality which can affect the cost of a Fancy Shape yet never appear on a Certificate, and that is "Shape Appeal". You don't need to be a gemologist to know if a Heart Shape has an appealing look to it. The lobes of the Heart may look completely different on one stone than another and yet you wouldn't necessarily be able to determine that from the measurements of the Stones. The best way to judge shape appeal is to look at the stone's girdle outline without a Loupe, and decide if it's attractive.

Length to Width Ratios
SHAPE IMAGE DESIRABLE TOO
LONG
TOO
SHORT
    Length Width Length Length
Marquise marquise.gif (1094 bytes) 1.75
to
2.25
1.00 2.50  +
(sliver)
- 1.50
(stubby)
Emerald emerald.gif (777 bytes) 1.50
to
1.75
1.00 2.00 +
(lean)
- 1.25
(squarish)
Pear pear.gif (1656 bytes) 1.50
to
1.75
1.00 2.00 +
(gaunt)
- 1.50
(stubby)
Heart heartbig.gif (1173 bytes) 1.00 1.00 1.25 +
(indented pear)
- 1.00
(stubby)
Oval oval.gif (958 bytes) 1.33
to
1.66
1.00 1.75 +
(thin)
1.25
to
1.10
(fat)
Princess Not Applicable

 

Another thing to look for in Fancy Shapes is that the Diamond has a nice length to width ratio

 


Marquise Brilliant Cut

 

The name "Marquise" came from a legend of the Marquise of Pompadour that the Sun King wanted a Diamond to be polished into the shape of the mouth of the Marquise! The typical Marquise Brilliant contains 56 facets.

What to watch out for: A poor cut in Marquise is most often detectable by the "bow-tie effect" which is judged by the unaided eye.

 

 

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