Ring with opal, colorful tourmalines and diamonds,

Ring set wit cabochon-cut opal approx. 12.08 x 8.4 x 6.1 mm, approx. 4.1 ct, 8 oval-cut tourmalines totalling approx. 1.82 ct, 1 oval-cut diopside approx. 0.31 ct and 9 brilliant-cut diamonds totalling approx. 0.10 ct, 14K YG, 3.4 g, ring size 53, 21st century, very minor signs of wear, IGI Jewelry Report 30J2726424.