Christine is a consultant and geologist/gemologist at the Smithsonian Natural Museum of Natural History where she deals with the diamond, gemstone and jewelry collection of the museum (which includes the Hope diamond). She was furthermore sales director at Tiffany and holds a BSc in geology from Penn State and a GG from the GIA.
Sotheby’s, NY, 09-20-2012: Platinum, Sapphire and Diamond Ring
Platinum, Sapphire and Diamond ring Estimate: US$ 350,000 – 450,000 PROPERTY OF A PHILADELPHIA ESTATE Centered by a cushion-shaped sapphire weighing 13.22 carats, flanked by two triangular diamonds weighing approximately […]
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