The World Gemological Laboratory

Before you buy or sell your diamond

Bring your diamond or jewelry to our office for an evaluation, and we'll give you a comprehensive analysis of the quality and the various dynamic market factors affecting the value of your diamond.

The World Gemological Laboratory is a reputable independent diamond and jewelry appraisal service. World Gemological Laboratory's appraisals are recognized by all insurance companies. They help make the process of buying or selling a diamond easy.

Why choose the World Gemological Laboratory?

For over 25 years, the World Gemological Laboratory's G.I.A. Graduate Gemologists have offered both the jewelry trade, and consumers' accurate and reliable diamond and gemstone identification/certification to validate their gemstone value.

Their clients keep coming back to them because they offer complete discretion, courteous services and a comfortable, relaxed atmosphere. Not only is the appraisal process informative and professional, you will find yourself enjoying the procedure.

Everything is done to the highest level in the jewelry industry. You will receive a step-by-step detailed explanation of the process by which your diamond was apprised.

World Gemological Laboratory works closely with all major auction houses, following current pricing trends.  Their relationship with these houses gives them a great resource in valuing complicated, rare, and vintage items.

World Gemological Laboratory is a fully-equipped gem lab, utilizing the following state of the art equipment:

• Binocular Microscopes with up to 100X zoom.
• G.I.A. Certified Master Color Grading Diamonds
• Full Spectrum Light Source with Undistorted Color
• Refractometer with Polarized Filters
• Polarascope
• Short Wave and Long Wave Ultraviolet Fluorescence
• Diamond Scale accurate to 0.001 carat
• Gram Scale accurate to .001 gram
• Millimeter Gauges accurate to 0.01 millimeter.
• Fiber Optic Spectrascope with Diffuser and Polarizer

Their reputation has provided them with the opportunity to work with some of the biggest names in the jewelry business. They are call upon to acted as expert witnesses in both civil and criminal cases.