E. F. Watermelon Company, located at 24 Lyme St, Old Lyme, CT 06371, operates in the jewelry industry with a focus on bespoke engagement ring creation and fine jewelry services. The shop is known for its exquisite selection of estate jewelry and unique items, featuring renowned brands and intricate designs. Customers appreciate the knowledgeable staff who provide valuable insights into the history and craftsmanship of each piece.

Operating hours are Tuesday to Saturday, from 10 AM to 5 PM. The contact number for inquiries is (860) 434-1600.

Overall Sentiment from Online Customer Reviews:
Positive sentiment accounts for about 85%, with customers highlighting the exceptional quality and uniqueness of the jewelry, along with excellent customer service. Neutral reviews comprise 10%, often addressing availability or specific selections. Negative sentiment stands at 5%, with mentions of the store being permanently closed.

Best Review:
Robert noted the high-level selection and expertise available at E. F. Watermelon, emphasizing the fantastic service and the rich history behind each item.

Worst Review:
A negative review indicated the establishment is permanently closed, which has raised concerns among potential customers.

Opening Hours:
- Tuesday: 10 AM - 5 PM
- Wednesday: 10 AM - 5 PM
- Thursday: 10 AM - 5 PM
- Friday: 10 AM - 5 PM
- Saturday: 10 AM - 5 PM

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