Cabochon cut sapphire and diamond

Platinum sapphire and diamond sapphire Art Nouveau 3 stone ring; featuring a cabochon cut natural blue sapphire with two European cut diamonds and 18 smaller old European cut accent diamonds supported in a filigree head. Circa: 1912 Gemstones: Cabochon cut natural blue sapphire: Estimated weight: 3.40 ct apx Hue: Purplish blue Saturation: Medium Clarity: eye clean Matching pair of 2 European cut diamonds: Estimated total weight: 1.90 ct Color: G/H Clarity: Vs1 / Vs2