An early 20th century diamond brooch, of pierced openwork design, the rose...
An early 20th century diamond brooch, of pierced openwork design, the rose cut diamond set twin radiating panels with central calibré sapphire domed arch millegrain set in the centre with a single brilliant cut diamond, with old brilliant cut diamond surmount, and key pattern detail, suspending triple diamond single stone drops, circa 1910, (brooch pin deficient)
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An early 20th century diamond brooch, of pierced openwork design, the rose cut diamond set twin radiating panels with central calibré sapphire domed arch millegrain set in the centre with a single brilliant cut diamond, with old brilliant cut diamond surmount, and key pattern detail, suspending triple diamond single stone drops, circa 1910, (brooch pin deficient)