Kate debuted these in Paris in March of 2017. Cartier self-describes these pieces:
Conceived by Louis Cartier in 1924, the Trinity ring is one of the Maison’s signature pieces of jewellery. The three interlaced and mobile bands, open for interpretation by the wearer, are the timeless inspiration behind an iconic collection, a symbol of style and elegance.
Trinity de Cartier earrings, 18K white gold, 18K pink gold, 18K yellow gold, each set with 1 brilliant-cut diamond of 0.04 carats.
Retail: £1,640