Spectacular Necklace Design with Watermelon Tourmaline and Citrine Gems

    A tourmaline and citrine necklace, Tony Duquette designed as a graduated series of rectangular-cut bicolor tourmaline, citrine and green tourmaline; signed Tony Duquette; estimated total tourmaline weight: 575.00 carats; estimated total citrine weight: 300.00 carats; mounted in eighteen … Continued

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