About us

Bday Diamond is litteraly a diamond or a brilliant. A magnificent rock for a magnificent moment in your life or your loved ones.

A certified diamond (Brilliant), checked and sealed by an international well know and independent lab IGI. Afterwards the Bday Diamond will be personalized to a unique gift with a picture, name and birth date. The diamond will be deliverd in a beautiful box.

Addo Diamonds

Marc Osiers has more than 31 years of experience in the diamond industry. As the ceo of Addo Diamonds, a reputed company in the hear of the Antwerp diamond industry, he is an expert when it comes to this beautiful gem. He was inspired by Karin Verbiest to creating this beautiful gift.

The Bday Diamond meets the highest quality standards (4C):

  • Carat
  • Cut
  • Color
  • Clarity

The Bday Diamond is available in 3 different weights: 0.10 ct, 0.15 ct and 0.25 ct. With a maximum deviation of 0.01ct. These diamonds have a high color ranking D, E or F and a purity standard VS1 or VS2.

The Bday Diamond is a unique, wonderful and valuable gift which can later on be set in any jewel.