Art Deco Asscher-Cut Diamond, Sapphire, Platinum Ring

Centering upon a precise and beautifully hand-cut Asscher-cut diamond weighing 0.69 ct., approximately H-I color and VS1-VS2 clarity, set in a handmade finely millegrained and hand engraved platinum ring adorned with four French-cut sapphires and six Old European-cut diamonds, circa 1920.