Ring with 21 sapphires and 18 diamonds

Ring with 21 sapphires and 18 brilliant-cut diamonds, totalling approx. 0.11 ct, medium colour and clarity, 20 faceted square-cut sapphires, totalling approx. 1.3 ct, and 1 baguette-cut sapphire, approx. 0.45 ct, 14K yellow gold, 10.4 g, ring size: 63, W: approx. 5 - 12 mm, 21st century, signs of wear, with hallmark and engraving 'RK 2125'.