John's Jewelers, located at 15555 E 14th St Ste 131, San Leandro, CA 94578, specializes in creating exquisite engagement rings and offers a range of jewelry services. With a phone number of (510) 278-3000, the store is known for its personalized customer service and extensive selection of jewelry, including elegant engagement rings, various diamond options, and on-site repairs.

Customer feedback gathered from four reviews indicates a mixed sentiment, with some positive experiences highlighting the owner's expertise and competitive pricing. However, there are also negative experiences noted, including complaints about product quality and service reliability.

Overall Sentiment from Online Customer Reviews:
- Positive: 50%
- Neutral: 25%
- Negative: 25%

Best Review:
A customer commended the store's owner, John, for his extensive knowledge and ability to provide a fantastic deal on wedding bands, which showcased his experience in the jewelry business.

Worst Review:
Another customer expressed disappointment after purchasing a ring that was misrepresented as white gold, leading to dissatisfaction with the product and service that followed.

Operating Hours:
- Monday to Thursday: 10 AM - 8 PM
- Friday to Saturday: 10 AM - 9 PM
- Sunday: 11 AM - 6 PM

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