Incredible 18k White Gold Filigree Diamond Ring Elaborate and intricate filigree was created in 18k white gold on this stunning 1920-30s ring. Framed by a finely milgrained octagon, a .38 ct European cut diamond is held by four trefoil prongs. When you see this ring, you are captured by the endless detail. Truly amazing. Old European cut diamond .38 ct with SI2 clarity and color grade H, marked 18k, ring size 7, front width measures 3/8. Excellent condition. Note: All stones are analyzed by a certified Gemologist. To retain the integrity of the setting, gemstones are not removed to determine weights, clarity and color grades are therefore approximate.