Triangular scissor cut blue sapphires lend a colorful and unexpected accent to this Art Deco engagement ring's transitional cut diamond. This diamond is octagonally set and is flanked top, bottom and sides with four round single cut diamonds. The platinum band's swirling wave and leafy frond accents complete the design. Details: Platinum. Round transitional brilliant cut diamond; 0.65 carats. Round single cut diamond; 0.12 carats. Triangular scissor cut sapphire; 0.20 carats. Circa 1920s or later.