The world’s largest flawless briolette diamond will hit the auction block at Christie’s Hong Kong Magnificent Jewels sale on May 28. Estimated to fetch between $8.5 million and $12.5 million, the fabulous 75.36-carat, D-color wonder is part of a pendant necklace that includes a marquise-cut purplish-pink diamond suspended above the briolette. Stations of smaller briolettesContinue reading

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