Lot 591: A Paraiba Tourmaline and Diamond Ring, Alexander Laut. Estimate: HK$40,000 - 60,000 and Lot 592: A 5.23-carat Sri Lankan Padparadscha Sapphire and Diamond Ring. Estimate: HK$240,000 - 300,000. Both from Phillips Live Auction on 8 July 2020.
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