Kojis Kojis 18ct Gold Sapphire and Diamond Cluster Ring | Size M | Luxury Gift | This sapphire and diamond cluster ring from antique purveyor Kojis is a one-of-a-kind piece, set with a 1. 96ct sapphire and approximately 0. 48ct of diamonds. A modern creation from Kojis, this ring is crafted from 18ct gold, featuring an attention-grabbing, yellow sapphire adorned with brilliant cut diamonds in a classic cluster setting. The glimmering accents lead to a slightly tapered shoulder creating a unique sentiment, perfect for a special occasion. Complete with a simple gold band, amplifying the beautiful lemon-colour emanating from the sapphire stone, it offers an illuminating touch to your evening edit. Let this piece work its magic on its own, or stack it on top of additional bands for a personal curation.