Le Gramme 

18kt yellow gold and sterling silver 3g Entrelacs pendant necklace

Le Gramme's co-founder Erwan Le Louër holds a master's degree in industrial design, which explains the sculptural element in the French jewellery brand's designs. Case in point, this polished sterling silver necklace that's strung with the spherical 18kt yellow gold Entrelacs pendant - the term translates to 'interlacing' in English.