Contact Us – We're Here for You 24/7

Contact Us

At Brand Black Jack, your satisfaction is our priority. For the fastest response, please contact the correct team below. We operate our own lab workflow for memorial diamonds (ashes/hair) and also create lab-grown diamonds from lab carbon.

Memory Diamond Support (Ashes/Hair)

For memorial diamond questions, order help, sample shipping guidance, timelines, and certificates:

Email Memory Diamond Team WhatsApp Chat

Note: WhatsApp is urgent chat support (call service not available). Please share your Order ID / Tracking Number in your message.

General Jewelry Support

For normal jewelry queries (non-memorial), store support, and general questions:

Email Jewelry Support

For faster support, include your order number and product details in the message.

India – Corporate Entity

BLACK JACK LUXURY PRIVATE LIMITED
Plot No 7/4824-A, Shop 1028, Belgium Square, Ring Road,
Surat, Gujarat, India – 395003

India – Registered / Operations Office

BLACK JACK
64, Aastha Residency, Behind Aastha Square,
Opp. Bhagawati Farm, Utran,
Surat, Gujarat – 394105, India

Factory Address

BLACK JACK
214, Gruham Plaza, Opp. Lake Garden,
New Kosad Road, Kosad,
Surat, Gujarat – 394107, India

USA – Registered Office

BLACK JACK LLC
1309 Coffeen Avenue, STE 12680,
Sheridan, Wyoming 82801, United States

USA Phone: +1 (646) 685-7197

Social & Help

Open Instagram Visit FAQs

Important: Memorial diamond shade can vary naturally based on carbon quality and chamber conditions. We always aim for the closest possible shade and keep you updated.

Real Stories: How Customers Turned Memories into Sparkle

1 4