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Jewelry Care Instructions

by Andrea Van Wilgenburg

We recommend that all fine jewelry be worn gently to prevent loss, damage, and getting dirt lodged between the metal and gemstones. We recommend removing jewelry during strenuous exercise, while doing chores, while swimming (chlorine can damage metal), etc. Also, avoid having your jewelry come into contact with other harmful chemicals such as nail polish remover, perfume and hairspray. To clean your gemstone ring, you will want to use hot soapy water and a toothbrush from time to time to clean underneath the main gemstone where dirt and oils can build up impairing the brilliance of your stone. You will notice that your gemstone has lost some of its lustre when it is time to clean your ring. You can...

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The Four C's of Evaluating Colored Gemstones

by Andrea Van Wilgenburg

COLORED GEMSTONE VALUATION INTRODUCTION - THE FOUR "C's"Grading colored gemstones can be a very subjective process; more so than when grading diamonds. The main factors affecting gemstone price are color, clarity, cut, and carat (weight). They are interrelated, at the same time each factor presents a broad range in itself and will be evaluated accordingly. I. Color can account for at least 50% of a gemstone's value. Generally speaking, a stone should be neither too light, nor too dark. It should be vivid, rich. Color is evaluated by the GIA (Gemological Institute of America) based on hue, tone, and saturation. These three components are used together to describe an individual gemstone’s color and they will vary. II. Clarity tends to...

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Pristine Gemstone Jewelry Introduction

by Andrea Van Wilgenburg

Welcome to Pristine Gemstone Jewelry.  Sapphires, sapphire engagement rings, and other colored gemstones and jewelry are our specialty. We are Rogerio Graca and Andrea Van Wilgenburg, a husband and wife team

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