Cornerstone Jeweler, located at 299 Broadway, Millbrae, CA 94030, is well-regarded for its dedication to quality jewelry services, particularly in the creation of custom engagement rings. The owner, Batu Pao, is praised for his professionalism and extensive knowledge in jewelry, offering personalized consultations to help clients find or create the perfect piece. This jeweler delivers value by providing detailed pricing and updates throughout the process, ensuring that customers feel informed and satisfied.

Operating in San Mateo County, Cornerstone Jeweler has received an impressive rating of 4.9 based on 11 reviews. While many clients commend the shop for its quality service and reasonable rates, a few reviewers have noted the store’s somewhat unassuming location and limited visibility from the street, which may pose a challenge for first-time visitors.

Overall Sentiment from Online Customer Reviews:
Positive: 90%
Neutral: 5%
Negative: 5%

Opening Hours:
- Monday: 10:00 AM - 4:00 PM
- Tuesday: 10:00 AM - 4:00 PM
- Wednesday: 10:00 AM - 4:00 PM
- Thursday: 10:00 AM - 4:00 PM
- Friday: 10:00 AM - 4:00 PM
- Saturday: 10:00 AM - 2:00 PM
- Sunday: Closed

Staff Members:
- Batu Pao

Best Review:
Minh T. praised the jeweler's excellent service and the owner’s charming demeanor, particularly highlighting the shop's affordable prices for vintage jewelry and repairs, suggesting that it offers a unique inventory that surpasses online options.

Worst Review:
Customer feedback indicated that the store's signage is not well-marked from the street, making it tricky for customers to locate, which could result in missed business opportunities.

*For this overview, customer feedbacks were viewed on Yelp, Google, and Facebook.