Get in Touch
Let’s Start a
Conversation
We respond to every enquiry within one business day.
Contact Details
Reach Us
Directly
Whether you’re enquiring about memo programmes, starting a custom order, or exploring our diamond selection — we’d love to hear from you.
Email
sales@yfdiamonds.com
Phone
+1 718-536-2718
WhatsApp
+1 917-640-4891
Address
48W 48th Street, Suite 807
New York, NY 10036
New York, NY 10036
Office Hours
Monday – Friday 9AM – 7PM
Saturday 11AM – 3PM
Saturday 11AM – 3PM
Send Us a Message
All enquiries go directly to sales@yfdiamonds.com and are answered within one business day.
What Can We Help With?
Common Enquiries
Memo Programmes
Lab grown loose stones and finished jewelry available on flexible memo terms for qualified retailers.
Custom Jewelry
Eternity bands, wedding rings, tennis bracelets — crafted in NYC with CAD approval.
Natural Diamonds
Fancy shapes matched in color, clarity, and measurement. GIA, IGI, and HRD certified.
Diamond Sourcing
Need something specific? Send us your brief and we'll source from our network.
Priority Overnight Shipping · Any Value · Fully Insured