Two opal rings and a pair of cultured mabé pearl earrings

Two opal rings and a pair of cultured mabé pearl earrings
1st: Set with an oval opal cabochon within a surround of rose-cut diamonds, 2nd: Set with an oval opal cabochon within a two-row surround of old brilliant-cut diamonds, 3rd: Each set with a 13.2mm cultured mabé pearl, framed by a surround of rose-cut diamonds, ring sizes: 1st approx. K, 2nd approx. M, earring length 2.2cm (3)