Can I chip or break my diamond?
Despite the fact that diamonds are extremely durable and known for their inherent strength, it is still possible to damage a diamond. Diamonds are most commonly damaged when scratched against other diamonds, and may cause significant scratching if in contact with your other colored gemstones.

What is a diamond certificate?
Diamond certificates, otherwise known as grading reports, are independently issued documentations providing extensive and specific information regarding the quality of your diamond. Your certification should list details about your stones color grade, clarity grade, measurements, cut quality and carat weight. A diamond certification from GGS provides you with all the information you will ever need about your precious stone.

How do I select my jewelry appraiser?
Currently, there is no law or regulation requiring licensing or a standardized set of qualifications in order to act as a jewelry appraiser. There is, however, extensive training that must be undergone in order to claim a specific expert title in this field. At GGS, we only employ master gemologists with years of appraisal experience.

Which pieces of jewelry should I appraise?
GGS recommends that you think about appraising all of your valuable pieces of fine jewelry. A thorough understanding of the value of your jewelry can help you when making future purchases, or if you are even inclined to sell a piece from your current collection.

How can an appraisal help me to sell my jewelry?
An appraisal from GGS is actually a quality analysis document that a seller can use to prove the worth of the piece(s) in question. A professionally issued evaluation of clarity, cut, color and karat weight will offer a seller confidence when determining the asking price of the item.

I’m not selling my jewelry, so why is an appraisal important?
Appraisals from GGS can serve a variety of purposes, even if you are not selling your jewelry. If you are insuring your jewelry, an insurance appraisal is vital to guarantee that you will be compensated thoroughly in the event of its disappearance. In the case of an estate appraisal, a detailed evaluation of the jewelry involved will help the various parties determine its worth and proper home. These are merely two examples of the multitude of ways a GGS appraisal can offer you peace of mind about your fine jewelry.

Does GGS promise my confidentiality?
At GGS, we are honored that you entrust us with your fine jewelry, and believe in adhering to all professional standards requiring strict confidentiality when it comes to your personal information. GGS does not sell your information to third parties, and will only contact you regarding your appraisal or certification requests.

What payment methods are accepted by GGS?
GGS accepts all major credit cards, check, or paypal as payment for your requested services.

How should I prepare my jewelry for mailing to GGS?
Most jewelry mailed within the United States is sent by insured registered mail. The US Postal Service has special requirements for preparing these packages. Please refer to these useful links below to learn the best ways to ship your fine jewelry: