Diamond Cutters, located at 113 W 25th Ave, San Mateo, CA 94403, is a jewelry store that has become known for its engagement ring creation and attentive service. The store offers a blend of new and vintage jewelry pieces, along with custom engagement ring designs crafted by the owner, Charlie, who has over 60 years of experience in the industry. Customers appreciate the personalized service and quality craftsmanship, often commending Charlie's expertise in jewelry repair and appraisal.

On the other hand, the reviews tell a mixed story, with sentiments varying widely. While many customers highlight the quality of the jewelry and the owner's knowledge, some report unfavorable interactions, mentioning rudeness and concerns over pricing and work quality.

Overall Sentiment from Online Customer Reviews:
Positive: 45%
Neutral: 20%
Negative: 35%

Highlight Reviews:
Best Review: Barbara commends Charlie's work, praising his ability to repair and create beautiful pieces at reasonable prices, demonstrating his honesty and dedication to customers.
Worst Review: D.G. expressed frustration over a ruined wedding ring, highlighting a negative interaction with Charlie, where he felt shouted at and dismissed regarding his concerns.

**Operating Hours**
- Monday to Friday: 10:00 AM - 5:00 PM

Staff Member: Charlie (Owner)

* For this overview, customer feedback was viewed on Yelp, Google, and Facebook.