Estate 14k White Gold 0.74tcw Opal and 0.42tcw Diamond Cluster Earrings, 1990s

These estate cluster earrings from the 1990s are crafted in 14k white gold and center on a pair of oval opal cabochons, each measuring 6x4mm, for a total opal weight of 0.74 carats. Each opal is held in four prongs and framed by sixteen round diamonds, thirty-two in all, totaling 0.42 carats with G-H color and SI2-I1 clarity. The opals show a lively play of color in bright green and blue flashes across a soft blue body. The earrings measure 5/16 x 1/4 inch, are stamped 14k, weigh 1.4 grams, and are fitted with friction posts and backs.

The shifting color in opal comes from tiny spheres of silica stacked inside the stone, which bend and scatter light as it passes through. No two opals display the same pattern, so every pair has its own character. Opal is softer than many gems, at about 5.5 to 6.5 on the Mohs scale, and it holds a small amount of natural water, so it is best stored away from harder jewelry and kept clear of extreme heat, harsh chemicals, and ultrasonic cleaners. The diamond halo adds brightness and helps frame the opal's color from every angle.

As the birthstone for October and a classic cluster design that pairs well with both everyday and dressier looks, these earrings make a lovely gift or a welcome addition to any collection of estate jewelry.

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