18K WHITE GOLD DIAMOND DECO FILIGREE RING: 18K white gold filigree ring contains one round brilliant cut diamond. Weight: .20 Ct. Approx. The diamond is rated VS1 in clarity and H in color. Embellished with 20 French calibré cut red stones of unknown origin. The diamond is prong set. The red stones are channel set. Weight: 3.7 grams.