Duff's Fine Jewelry, located at 136 N Main St, Keller, TX 76248, operates in Tarrant County and is renowned for its exceptional engagement ring creation and comprehensive jewelry services. The store has garnered a significant number of reviews, indicating a well-established reputation in the Dallas-Fort Worth area.

With a focus on personalized service, Duff's offers a variety of services, including custom engagement ring design, jewelry repair, appraisals, and the buying of gold and diamonds. The staff, including knowledgeable professionals like Nevin and Zach, are consistently praised for their professionalism and commitment to customer satisfaction. The jewelry selection features high-quality pieces, with many customers highlighting the unique designs available for engagement rings.

Operating hours are as follows:
- Wednesday: 10 AM – 6 PM
- Thursday: 10 AM – 6 PM
- Friday: 10 AM – 6 PM
- Saturday: 10 AM – 5 PM
- Sunday: Closed
- Monday: Closed
- Tuesday: 10 AM – 6 PM

Overall Sentiment from Online Customer Reviews:
Positive sentiment: 80%
Neutral sentiment: 15%
Negative sentiment: 5%

The majority of customers appreciate the high level of service and attention to detail provided by the staff, with many returning for their jewelry needs. However, some reviews have noted responses to customer inquiries that could be improved.

Best Review:
Kate expressed her lasting loyalty to Duff's, emphasizing that she wouldn't go anywhere else for her jewelry needs due to the exceptional service from staff members like Nevin and Chris, who have always made her feel valued and well-cared for.

Worst Review:
Kimberly shared a disappointing experience regarding the store's mask policy during her visit, which led her to question their commitment to customer safety and trustworthiness.

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