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M. Gérard | Sapphire and Diamond Necklace and Pair of Earclips, France [藍寶石配鑽石項鏈及耳環一對 | Magnificent Jewels | 2020 | Sotheby's
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Impressive ruby and diamond necklace/brooch | M. Gérard | 紅寶石配鑽石項鏈/別針 | Magnificent Jewels and Noble Jewels | 2022 | Sotheby's
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