A collection of two rings, including a 14K two-tone yellow and white gold ring designed in an openwork style, centering a step-cut sapphire measuring approximately 4.68mm x 4.95mm, and a platinum filigree ring set with eleven old European-cut diamonds. Diamonds are near colorless to faint color (I - K), with SI - I clarity. Total estimated weight of diamonds: 0.50 carats.