Web Results

Sapphire Buying Guide - International Gem Society


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


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


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


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


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


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 ...


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


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


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 ...

More Info

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


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


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


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