This lavish vintage style Art Deco platinum princess cut blue sapphire engagement ring features a gorgeous square princess cut royal blue natural blue sapphire of 0.65 carat, with 10 round brilliant diamonds of F/G color and VS clarity embedded into the sides of the engagement ring.Artisan crafted to order, hand finished, and engraved in intricate detail, this heirloom filigree platinum princess blue sapphire engagement ring features a low profile vintage design with hearts on all 4 sides, with shimmery beaded milgrain framing wheat engraving on the outside of the band. Measuring 6.2 millimeters wide, this exquisite princess cut blue sapphire ring ( September Birthstone ) tapers down to 1.8 millimeters wide at the bottom of the ring and sits 3/16 inch off the finger.