Helzberg Diamonds, located at 2261 Stoneridge Mall Rd, Pleasanton, CA 94588, offers a variety of jewelry services, with a strong focus on engagement ring creation and customization. The store is recognized for providing ethically sourced diamonds and high-quality standards in its jewelry collections. The staff, although unnamed in the reviews, have received mixed feedback regarding their customer service.

The overall sentiment from online customer reviews is 52% positive, 30% neutral, and 18% negative, indicating a moderately favorable response from customers. Despite some praising the selection and helpfulness of the staff, others have highlighted negative experiences regarding service quality and staff responsiveness.

**Opening Hours:**
- Monday to Saturday: 10:00 AM - 9:00 PM
- Sunday: 11:00 AM - 7:00 PM

**Highlighted Reviews:**

**Best Review:** A customer noted the excellent customer service experience at Helzberg Diamonds, mentioning how the staff went above and beyond to resolve an issue with a broken necklace, demonstrating excellent follow-through.

**Worst Review:** Another reviewer expressed frustration over the rude treatment received while attempting to get a wedding ring cleaned, citing unprofessional behavior from the staff and indicating a lack of support.

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