Ring with ripples made of white gold - 0.50 ct diamonds

Ring head, wavy (wavy) shaped. On the front, two set diamonds in round wide frames. Diamonds, old brilliant cut, weight 0,50 ct, color I - J, clarity P1-2. The lower part of the rim, made of rose gold. Fineness Au 750/1000. Total weight 3.60 grams. Czechoslovak hallmark ( cock head with number 3. ) . Ring size 54 - 55. Last century.