About us

Who We Are

At Arca Diamond, we combine innovative technology with expert craftsmanship, offering lab-grown diamonds that are as sustainable as they are breathtaking — designed for both beauty and comfort.

Registered Office / Showroom Address:Company Name: JOY JEWELRY HK Limited
Address: Unit E, 12th Floor, No.8 Hart Avenue
Tsim Sha Tsui, Kowloon
Hong Kong SAR, China

Email： info@arcadiamond.com

TEL：+ 852 6434 1913

Business hours: Monday to Friday 09:00am-18:00 hours,
Hong Kong Asia Time Our customer service center representative will give you respond within 24 hours.

Please Note: This address does not accept returns. For returns, please contact our customer team for help.

Usually, your message will be replied to within 24 hours (Monday to Friday)