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Learning Center

When you begin your search for a diamond engagement ring or a special piece of jewelry, the process may feel a bit intimidating. Think of the resources below as your personal guide to finding the perfect diamond or gift (and sure to make the process less daunting!).

Understanding the Four C’s of Diamonds

Understanding the Four C’s of Diamonds

You’ve heard of the “The 4 Cs” of buying diamonds, but what do cut, color, clarity, and carat weight actually mean?… Read More
Understanding Diamond Shapes

Understanding Diamond Shapes

Diamond shapes contribute to the overall style of an engagement ring. Different from cut (one of the 4Cs which determines the… Read More
Understanding Colored Gemstones

Understanding Colored Gemstones

In brilliant colors and stunning cuts, colored gemstones are unique and varied. This guide to color gemstone jewelry will help you… Read More
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Gary J. Long Jewelers is Temporarily Closed

In compliance with Gov. Newsom’s Executive Order, and for the safety of our staff, families and customers, we are closing our doors effective March 20, 2020. We are planning a two week closure, but it may be longer depending on circumstances and what the state of California will allow.

Rest assured, we are monitoring the situation and will reopen as soon as we are allowed. In the meantime, we remain committed to assisting you with your jewelry necessities. Should you have any needs during this shutdown, please contact Gary Long directly at (209) 481-5727, or Kim Jones at (209) 603-6677 and we will answer your calls as soon as possible. We apologize for any delay or inconvenience this may have on our customers and we truly appreciate your patience during these difficult times. Please be safe and we look forward to serving your needs soon.