This is an amazing antique gold engagement ring from the Art Deco era. The ring is centered with a sparkling round brilliant diamond that weighs 0.85ct; and is GIA certified. The color of the diamond is H with VS2 clarity. The center diamond is accentuated by vivid blue square and triangle cut sapphire accents. The ring has an impressive engraving, filigree, milgrain and open work design. The ring is size 7, and can be resized. The ring is stamped FF 18k.