Earrings in 18k Rose Gold with London Blue Topaz and Diamonds. Bon Ton Stud Earrings in 18k Rose Gold with London Blue Topaz and Diamonds. Bon Ton is the flower that embodies the heart of Mother Nature, the iconic collection of the maison is the symbol of a sober, elegant and free lifestyle that adapts to the changes in society without betraying its essence through the simplicity and innate grace of a flower.In its gems, there is the poetry of pink quartz, the stone of eternal Love, the…