Important Jewelry

Ms. Thuston brings to Freeman's over 20 years’ experience in antique, period and estate jewelry having facilitated the selling process for thousands of clients. Her career includes opening the Chicago jewelry department at Heritage Auctions and directing the Chicago office of CIRCA for twelve years. Earlier in her career she sold jewelry and watches for two of Chicago’s leading jewelers, CD Peacock and Sidney Garber. She is a Graduate Gemologist from the Gemological Institute of America and has a Bachelor of Arts in music from Albion College. Ms. Thuston has received national and chapter awards for her work with the Women’s Jewelry Association and is an executive board member of the Chicago History Museum Costume Council, a candidate member of the National Association of Jewelry appraisers (NAJA), a voting member of the Accredited Gemologist Association (AGA) and member of The American Society of Jewelry Historians.

Ms. Hammer brings 16 years of experience in the jewelry industry to Freeman's. She began her jewelry career in New York City working as a diamond grader at GIA while simultaneously achieving her Graduate Gemologist degree. She then worked in luxury retail on Madison Avenue where she collaborated with world renowned jewelry houses. From New York she moved to Asia where she advised in high end colored diamonds sales. After moving to Chicago in 2012, she continued her jewelry career specializing in diamonds and design, as well as managing appraisals at Steve Quick Jeweler. Though she loves working with all exquisite gemstones and revels in the history of antique pieces, she also values the connections she makes with clients and understands both the emotional and business side of the jewelry world. Karina grew up in Perth, Australia and has also lived in the United Kingdom, New York City and Singapore.

Ms. Roskind brings nearly three decades of auction, retail, and wholesale jewelry experience to Hindman. She previously worked at Bonhams where she served as Interim Head of Jewelry in Hong Kong and Senior Specialist. As head of the department, she collaborated with teams in New York, Taipei, Singapore, and Sydney and notably expanded sales, widened the buyer base, and guided the local team to achieve its most profitable year since 2018. Prior to joining Bonhams, Ms. Roskind worked in Christie’s Jewelry Department for 17 years, during which she handled significant collections such as the jewels and gems from Elizabeth Taylor, Ellen Barkin, and Jacqueline Delubac. She also previously served as Director of Acquisitions at Fred Leighton where she oversaw the buying of coveted vintage jewelry.

Ms. Roskind holds a Bachelor of Arts degree in History from Boston University. She is a graduate of the Gemological Institute of America with a Graduate Gemologist degree and a member of the American Society of Jewelry Historians, Gem X, and The Glitterati.