A collection of four pieces of 14K yellow gold and opal jewelry, including an omega chain with a pendant centering an oval-cut opal measuring approximately 8.10mm x 10.10mm, a pair of 14K earrings on stud posts with omega clip backs featuring fourteen oval-cut opals each measuring approximately 4.10mm x 6.10mm and four round-cut accent diamonds, a chain with a pendant centering an oval-cut opal measuring approximately 7.45mm x 5.90mm, and an open circular brooch set with seventeen pear-shape opals each measuring approximately 3.00mm x 3.50mm, and seventeen round-cut diamonds. Diamonds are near colorless (G - H), with VS - I clarity. Total estimated weight of diamonds: 0.08 carats.