Martin Katz's modern and vintage-inspired fine jewellery masterpieces have graced the red carpet for decades, with clients such as Angelina Jolie, Cate Blanchett and Nicole Kidman.
All eyes are on Pippa Middleton's square engagement ring - a refreshing and interesting alternative to its round brilliant cousin.
Square carré-cut diamond engagement ring
Martin Katz
POA
Paraiba tourmaline cuff bracelet
Grey and pink diamond engagement ring
