Kassoy is a prominent jewelry equipment supplier located at 101 Commercial St, Suite 200, Plainview, NY 11803, in Nassau County. Known for its extensive range of gemological tools and jewelry supplies, Kassoy has been serving the industry for over 85 years. The store specializes in engagement ring creation and offers a variety of services including the sales of microscopes, scales, diamond testers, and jewelry display supplies. Customers can expect knowledgeable assistance from the staff, who are committed to providing outstanding service.

Kassoy operates from Monday to Friday, 8:30 am to 6:00 pm, and is closed on Saturdays and Sundays. The contact number for the store is +1 516-942-0560.

Overall Sentiment from Online Customer Reviews:
From a total of 18 reviews analyzed, the sentiment is approximately 65% positive, 25% neutral, and 10% negative. Many customers praised the quality of products and knowledgeable staff, while some expressed dissatisfaction with customer service and communication issues.

Best Review:
Kevin highlighted his longstanding relationship with Kassoy and emphasized their exceptional service and quality products, particularly appreciating the assistance from staff member Paul during his purchases.

Worst Review:
Sanjiv shared a negative experience with customer service, feeling that his inquiry was met with rudeness and unprofessionalism, leading to a strong reluctance to engage with the company in the future.

Operating Hours:
| Day | Hours |
|-----------|------------------|
| Monday | 8:30 am - 6:00 pm|
| Tuesday | 8:30 am - 6:00 pm|
| Wednesday | 8:30 am - 6:00 pm|
| Thursday | 8:30 am - 6:00 pm|
| Friday | 8:30 am - 6:00 pm|
| Saturday | Closed |
| Sunday | Closed |

Staff Members Mentioned:
- Paul