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Sapphire Buying Guide - International Gem Society

www.gemsociety.org/article/sapphire-buying-guide/

Mention sapphire and most people will probably imagine blue colored gems. ... on a sapphire buying adventure, learn how to evaluate a sapphire's quality and ...

How to Evaluate the Quality of Sapphire Gemstones - Jewelry Notes

www.jewelrynotes.com/sapphire-gemstone-shopping-quality/

The sapphire should be reasonably clean when viewed with the naked eye. Too many inclusions will make the stone less clear and also detract from its color.

Blue Sapphire Gemstone | Learning Library | GemCollector

www.gemcollector.com/en-us/learning-library/gemstone/blue sapphire gemstone/

The most attractive Sapphires are those that are a pure blue. ... The key evaluation criteria for Sapphire, as with all coloured gems, remain the vividness of its ...

Ruby & Sapphire | Judging Quality & Prices

www.ruby-sapphire.com/r-s-bk-quality.htm

The dispersion of corundum is so low (0.028) and the masking effect of the rich body color so high, that it is generally not a factor in ruby and sapphire evaluation  ...

Faceting Rough - How to evaluate and select it

facetingacademy.com/learn-faceting/learn-faceting-free/rough-class/

Too Dark; Bad Dichroism, or a Closed C-axis; Bad Color Modifiers ... In stones that have directional color (Sunstone, Iolite, Sapphire, ...

How to Evaluate Sapphires | eHow

www.ehow.com/how_4441288_evaluate-sapphires.html

How to Evaluate Sapphires. Sapphires come in a wide range of beautiful colors. Most people think of this lovely gemstone as being a deep blue color, but ...

COLORED STONES - Gemological Institute of America - GIA

www4.gia.edu/tryelearning/220-08/media/resources/cs08_printable.pdf

you'll learn how to evaluate colored stones quickly and accurately. Later, .... exceptional ruby's pure red hue (left) eclipses the hue of the orange sapphire ( right),.

Sapphire Ring Buying Guide - How to Evaluate, Identify and select ...

www.sndgems.com/Sapphire-Ring-Buying-Guide-How-to-Evaluate-Identify-and-Select-Certified-Sapphires-and-Fine-Sapphire-Jewelry-Online.htm

The most important thing when selecting a colored gemstones is to choose a .... Our guides shows you step-by-step how to evaluate sapphire and settings in ...

Colored Gem Evaluation - Emporia State University

academic.emporia.edu/abersusa/go340/evaluate.htm

Diamond, ruby, sapphire, emerald, and topaz are all central to a jeweler's ... Unfortunately, there is a paradox with evaluating colored stones in that often times ...

How are Gemstones Priced: Clarity, Color & Cut

gemguide.com/learning/education-colored-gemstones/value-factors/

Just because a stone is a sapphire or emerald or other gem variety does not ... Color. The measures used to evaluate the quality of a gemstone have been ...

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How to Buy Sapphire: 15 Steps (with Pictures) - wikiHow

www.wikihow.com

When buying sapphire, you should know how to evaluate the quality of the stone to ... While blue is the most common color for a sapphire, these gemstones also ...

Sapphire Grading Explained | The Natural Sapphire Company

www.thenaturalsapphirecompany.com

Demand for laboratory grading within sapphires and other colored stones has ... Face-Up Cut Grade: an evaluation of a gemstone's symmetry, proportion, and ...

How to grade and value a gemstone - WildFishGems

www.wildfishgems.com

How to evaluate colored gemstones: ... the padparadscha, the rhodolite or cornflower blue sapphire which are characterized by the combination of hue and tint.