Allegheny Diamond Mine is a distinguished jewelry store located in Cranberry Township, PA, that specializes in engagement ring creation and offers a wide selection of fine jewelry. The store is known for its unique approach to jewelry, providing certified loose diamonds and various engagement settings, along with custom options that cater to individual preferences. Mark Hensler, the owner and gemologist, is renowned for his expertise and commitment to providing a personalized shopping experience that encourages clients to explore their options without pressure.

The store's address is 20232 Route 19, Ste 2, Cranberry Township, PA 16066, and they can be contacted at (724) 772-2300. Their operating hours are as follows:

| Day | Hours |
|-----------|--------------|
| Monday | 11:00 AM - 6:00 PM |
| Tuesday | 11:00 AM - 6:00 PM |
| Wednesday | 11:00 AM - 6:00 PM |
| Thursday | 11:00 AM - 6:00 PM |
| Friday | 11:00 AM - 6:00 PM |
| Saturday | 11:00 AM - 4:00 PM |
| Sunday | Closed |

The jeweler has garnered 26 reviews, and sentiment analysis reveals a strong positive reaction from customers regarding their services.

Overall Sentiment from Online Customer Reviews:
- Positive: 90%
- Neutral: 7%
- Negative: 3%

Customers frequently commend the high level of customer service, expertise, and the extensive selection of unique jewelry. Mark's friendly and knowledgeable demeanor is a highlight, with many expressing appreciation for the personal touch and quality of their purchases. However, a few reviews reflect minor issues, suggesting room for improvement in certain areas.

Best Review:
John praised Allegheny Diamond Mine for its great service and fair pricing, highlighting the down-to-earth approach that makes shopping enjoyable.

Worst Review:
A customer noted a delay in receiving a repaired piece of jewelry, expressing some dissatisfaction but still acknowledging the quality of the items offered.

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