At Kosinerjewelry, we are proud to offer Fine Jewelry, Fair Price and provide the best customer service. If you have any questions or concerns, we are always here to help.

Store Hours

• Available 24/7
  

Customer Support Hours (New York Time)

• Email: service@kosinerjewelry.com | Mon-Fri 9 PM-6:30 AM, Thu-Mon 9 AM-6 PM.
• WhatsApp: +1 949-781-0955 | Mon-Fri 9 PM-6:30 AM.
• Phone:+1 866-982-0533 | Thu-Mon 9 AM-6 PM.

We will reply within 24 hours after receiving your email.