The MadisonDia x KOL Collection is the result of our KOL Endorsement Program — a partnership built on transparency, ethical luxury, and uncompromising quality. Every pendant and ring hand-selected or co-designed by our KOL partners meets D color / VVS2+ / 3EX / IGI Certified, rated MISI™ 80+.
Hong Kong Government "No Fakes" certified brand • BUYMA 5.0 rating (1,343+ verified reviews). Backed by the same authenticity standard Madison Avenue has applied as an authorized dealer for Versace, Hugo Boss, and Moschino for over a decade.
CO-DESIGNED
Selected or Designed by Style Icons
Each piece is hand-selected or co-designed by influential partners who share our belief in the beauty of lab-grown diamonds.
CERTIFICATION
IGI Certificate Sent Before Shipping
Every main diamond is IGI certified. We email the certificate for your review before your piece ships.
STANDARD
Same Grading, Every Endorsement
Partnership never lowers the bar — every KOL piece holds the same D–E color, VVS2+, 3EX cut standard as the rest of MadisonDia.
AFTER-SALES
1-Year Complimentary Repair
All finished pieces include one year of complimentary repair, covering prong checks, polishing, and resizing.
