Antique, Belle Epoque ring featuring a central, 3.9ct Ceylon (Sri Lankan) sapphire in a coveted cornflower blue hue, set in a millegrain platinum setting with a pierced platinum ring shank accented with 0.35ct in diamonds.
Size 3.75 to 4, not round. Could be sized larger. 11.85mm wide at the top with a 10.24 x 9.74mm millegrain edge bezel. Ring shank tapers from 1.57 to 1.33mm at the base. The diamonds extend 1/2 way around the ring and are bead set with millegrain enhancement. 1 Ceylon natural cushion sapphire measures app 8.59mm x 9.3mm x 5.07mm, est 3.90ct. App 18 round sc and fc OEC to transitional modern cut dias est 0.35ctw, app H/I-Si/I1, GIA. The ring is in excellent condition. Weight is 4.51 grams.