You’re invited to attend our FREE fine jewelry classes taught by a GIA Certified Gemologist. Call 408.298.1415 

Welcome to the leading diamond, colored gemstone and pearl education center and jewelry store in San Jose, California.


At the Classic Rock Custom & Designer Jewelry store, we’ve been helping educate clients for almost 30 years. We have four gemological laboratory areas to teach you the science behind the gemstones. Come experience the new modern way of buying fine jewelry. Knowledge is Powerful!

5-STAR YELP REVIEWS

“I cannot sing the praises of the folks here enough, especially if you’re in the engagement/ wedding ring market.”

– Arish R. San Jose, CA

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Jeanne Katsuro, Owner
Certified GIA Gemologist