Helzberg Diamonds is a jewelry store located at 7101 Democracy Blvd, Suite 1320, Bethesda, MD 20817, specializing in engagement ring creation and a variety of jewelry services. With an emphasis on customer service, the store offers a selection of ethically sourced diamonds and quality engagement rings. Staff members are noted for their helpfulness, particularly in guiding clients through the selection process and explaining different styles and pricing. However, some reviews indicate challenges with customer service, particularly in terms of consistency and follow-up after purchases, with some clients reporting unsatisfactory experiences during repairs and exchanges.

Operating hours are as follows:
- Monday to Wednesday: 10:00 AM - 9:00 PM
- Thursday to Saturday: 10:00 AM - 9:00 PM
- Sunday: 11:00 AM - 6:00 PM

Phone number: (301) 767-3322

Overall Sentiment from Online Customer Reviews:
The overall sentiment from the reviews shows mixed feedback, with approximately 50% positive, 20% neutral, and 30% negative responses. Positive sentiments often highlight the staff's knowledge and engagement ring selection, while negative sentiments frequently focus on service and product resolution issues.

Best Review:
A customer praised the store for its exceptional engagement ring selection and the knowledgeable staff, specifically mentioning a staff member named Cristian, who provided personalized assistance and made the selection process enjoyable.

Worst Review:
Another review complained about poor service, specifically citing frustration over a resizing issue and the lack of communication when it came to resolve problems related to their jewelry.

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