Irene Griegst (born in Morocco) was taught in 1973-78 by jewellery artist, sculptor and designer Arje Griegst (1938-2016), whom she married in 1967. She is also a graduate of French and English literature from Hebrew University in Jerusalem, Israel. Over the years, Irene Griegst has received numerous grants and awards and participated in numerous exhibitions at and abroad. Her jewellery can be found in collections at Designmuseum Danmark, Statens Kunstfond and Röhsska – Museum of Design and Craft, Gothenburg, Sweden. In 1963, Arje established Griegst Griegst Jewelry and in 1978 Irene Griegst became part of the company. Griegst Jewelry is today considered one of the most recognized jewelry houses in Denmark, and continues to be run by Irene Griegst and the couple's son Noam Griegst, who has been creative director since 2016. Irene still creates jewellery in her workshop in Copenhagen.