Mardon Jewelers

James Sweaney CGA FGA GG, Riverside, CA

Member since 2014

The Family Jeweler Since 1961

4.715

About Mardon Jewelers

Our Service Pledge
Purchasing a piece of estate jewelry can be a big decision. We make sure that you are always 100% satisfied with your purchase by selling only quality pieces.

We're dedicated to consumer protection thru accurate and complete information about what we sell. All of our items are guaranteed to be authentic and as described. We don't buy reproductions or sell any items that are in poor condition. As professional gemologists and appraisers, we grade our gems accurately and conservatively.

Items over $1,000 will be accompanied by a free professional appraisal to be used for purchasing insurance.
About Us
Our Mission
Jewelry is one of mankind's oldest art forms. Out of respect for the legacy of jewelry making, we work very hard to preserve the vintage and antique jewelry we buy in it's original form. Out of our passion for fine jewelry and gems, we make original one-of-a-kind jewelry-- you'll see our unique designs posted in the Artisan category. Our goal is to pass heirloom quality jewelry on to individuals who appreciate vintage and artisan jewelry. That's why you'll see very unusual items on our site.

We purchase all types of vintage and pre-owned jewelry. If you have jewelry you'd like to sell or trade, give us a call or email -- We're always looking to buy or consign quality items.
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Mardon Jewelers, established 1961 and located in Riverside, CA, is a family owned and operated retail and manufacturing jeweler. We specialize in fine colored gems and diamonds, estate jewelry, original designs and custom jewelry making. We offer a complete range of jewelry services including expert repair and restoration of vintage jewelry, gemstone recutting and repair, and professional jewelry appraising and consulting.

We're members of the American Gem Society (AGS), the American Gem Trade Association (AGTA), Jewelers of America (JA), California Jewelers Association (CJA), and the Jewelers Vigilance Committee (JVC).

Jim Sweaney is a Certified Gemologist Appraiser (AGS), Distinguished Fellow of the Gemmological Association of Great Britain (GAGB), member of the National Association of Jewelry Appraisers (NAJA) and Graduate Gemologist (GIA) with 46 years of experience making, buying and selling fine gems and jewelry. After attaining his G.G. diploma in 1976, Jim was Laboratory Supervisor for Diamond Grading at the Gemological Institute of America.

Kaye Sweaney is a jewelry designer and watercolor artist with a lifetime passion for beautiful jewelry.

Jennifer Sweaney, a Graduate Gemologist (GIA) since 2006, specializes in CAD jewelry design and manufacturing.

Scott Christiansen, a Certified Gemologist Appraiser (AGS), manages our financial affairs.

Mary Smith is a Certified Gemologist (AGS) who has appraised and sold fine jewelry for almost 30 years.
James Sweaney CGA FGA GG
5225 Canyon Crest Drive #14
Riverside, CA 92507
(951) 682-2325
10 am - 5:30 pm PDT, Tuesday -
Saturday
(951) 682-5080
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