Platinum Three Stone Trilogy Swirl 0.43 Carat Diamond Ring. CGN631. An embodiment of elegance of luxury, this breathtaking engagement ring boasts three brilliant cut diamonds totaling 0.43 carats in a swirl setting, embellishing a classic platinum band. Designed perfectly for everyday wear, this diamond set piece would make the perfect engagement or eternity ring to sit comfortably alongside other bands. At C W Sellors, we have an expert team of diamond specialists who handpick and grade each jewel to meet our high standards and a team of talented in house designers who combine their talents to bring you our exclusive Diamond collection. Chosen for their rare white quality, each diamond we use has a minimum clarity of VS and minimum colour of G-H. Every diamond is then set within white gold, yellow gold or platinum that has been elegantly carved and designed to mesmerise the wearer. You can find other diamond engagement rings and wedding bands to complement this ring online and in store. Platinum Three Stone Trilogy Swirl 0.43 Carat Diamond Ring.