The 197-carat Russian Crown jewel was the leading lot of Sotheby's white-glove Royal & Noble Jewels sale this week.
Meet the New Faces of JCK Tucson 2019
Brooke Gregson, Debra Navarro and Petra Class are joining the upcoming edition of the jewelry trade show.

New York—The Tucson gem and jewelry trade shows are quickly approaching, and retailers shopping for finished jewelry at JCK Tucson will be happy to see some new faces.
Alongside returnees like Alex Sepkus, Adel Chefridi and Dana Bronfman will be a few newcomers to the jewelry trade show: Brooke Gregson, Debra Navarro and Petra Class.
View this post on InstagramA post shared by Brooke Gregson (@brookegregson) on Dec 24, 2018 at 10:03am PST
Gregson is a London- and Los Angeles-based designer who has cultivated an impressive set of taste-making stores like Net-a-Porter, Quadrum Gallery and Twist. Known for a modern, bohemian aesthetic that makes bold gemstones wearable for everyday (think gemstone and silk cord bracelets, or hand-engraved zodiac pendants), we’re most excited about the engraved enamelwork she’s recently been delivering.
She’ll be exhibiting at booth 419.
View this post on InstagramA post shared by D E B R A N A V A R R O (@debranavarro.jewelry) on Dec 23, 2018 at 9:02am PST
Debra Navarro is a jewelry industry newcomer who is quickly making waves with her refined treatment of rough gemstones. Rough aquamarine and pink tourmaline set into 18-karat gold cocktail rings are at once rustic and sophisticated, while natural color diamonds make classics like hoop earrings feel new.
See Navarro at booth 211.
View this post on InstagramA post shared by Petra Class (@petraclass.studio) on Dec 10, 2018 at 2:05pm PST
German-born, San Francisco-based Petra Class lets the gemstones she hand-selects dictate her designs. Known for her bezel settings, she combines primarily rough stones with high-karat gold to create impressive cuffs and articulated bracelets.
She’ll be at DC20 at the show.
A full list of JCK Tucson exhibitors is available here. The jewelry trade show is set to take place Feb. 6-9.
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