Helzberg Diamonds, located at 2104 Mid Rivers Mall, St. Peters, MO 63376, is a well-regarded jewelry store specializing in engagement ring creation and comprehensive customer service. With a commitment to offering a diverse selection of ethically sourced diamonds, the store not only assists customers in finding the ideal engagement ring but also provides personalized consultations to ensure every detail meets the client's desires. The knowledgeable staff strive to create a welcoming environment, exemplified by their attentiveness and expertise.

Operating hours are as follows:

| Day | Hours |
|-----------|---------------------|
| Monday | 10:00 AM - 9:00 PM |
| Tuesday | 11:00 AM - 7:00 PM |
| Wednesday | 11:00 AM - 7:00 PM |
| Thursday | 11:00 AM - 7:00 PM |
| Friday | 11:00 AM - 8:00 PM |
| Saturday | 11:00 AM - 8:00 PM |
| Sunday | 11:00 AM - 7:00 PM |

The store receives 4.8 out of 5 stars from online reviews, highlighting a strong positive sentiment regarding their services. The majority of feedback reflects appreciation for the friendly and knowledgeable staff, which bolsters their reputation in St. Charles County. Despite some negative experiences related to order delays and repair services, the overall atmosphere seems to be one of satisfaction and trust.

Overall Sentiment from Online Customer Reviews:
- Positive: 85%
- Neutral: 10%
- Negative: 5%

Highlight Reviews:
Best Review: A customer praised the exceptional customer service and the extensive effort the staff made in finding replacement jewelry after a negative experience at another store, emphasizing the commitment to resolving issues satisfactorily, as reported by Amy P.
Worst Review: Another review noted frustration due to perceived poor quality and maintenance challenges of a purchased engagement ring, highlighting a recurring issue with repairs, as mentioned by Angela G.

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