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Meet our expert: Jill Burgum
Senior Director, Fine Jewelry, Dallas
1-877-HERITAGE (877-437-4824) x1697
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A graduate of University of Hawaii at Manoa, Ms. Burgum received her B.A. in Art History. After completing her degree, she attended Bowman Tech and Stewart's International, both for training in jewelry manufacturing and repair, then the Gemological Institute of America in Santa Monica, California, where she completed degrees in both Graduate Gemology and Jewelry Design in 1994.
Ms. Burgum began her working career as an on-call preview worker for Sotheby's Beverly Hills, California. She then moved to San Francisco as a jewelry cataloguer for Butterfield & Butterfield Auctions in 1996, transferring to their Los Angeles Jewelry department in 1997 as lead specialist, which she eventually left to build two jewelry web sites for start-up companies. She has also worked in retail jewelry sales and owned her own independent jewelry appraisal business.
She has been a contributor to Art + Auction, Brilliant, Eclat, Modern Jeweler, MSN Money, and Rapaport magazines.
Ms. Burgum has been a guest lecturer for the Los Angeles Natural History Museum, Gem & Mineral Council, and appeared as a specialist on HGTV, KTLA, CNN, FOX Business and ANTIQUES ROADSHOW.

Meet our expert: Jim Wolf
Director of Watches & Fine Timepieces
1-877-HERITAGE (877-437-4824) x1659

Meet our expert: Diane D'Amato
Director, Luxury Accessories, New York
1-877-HERITAGE (877-437-4824) x1901
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Diane D'Amato is the Director of Luxury Accessories at Heritage. Diane made her name in the Luxury Accessories world following high profile positions working for Hermès of Paris and Louis Vuitton, where her buying trips to Paris were influential in setting market trends in the United States and she oversaw more than $12 million in annual sales. Her specialty is in creating exclusive marketing partnerships and forging loyal client relationships. Diane is based in New York, joining the talent-rich Heritage team stewarding the brand, where she assists consignors and collectors with appraisals as well as supervising the category's double digit growth.
Diane has used her talents to do extensive charitable fund raising, including sales that have benefited FATE (Foundation for Autism Training & Education), Crohn's and Colitis Foundation of America and St. Jude Children’s Research Hospital.
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Decades of experience
For more than three decades, Heritage Auctions has specialized in bringing the world's most prized objects of value to the world's most passionate collectors.
All About Heritage Auctions (Jewelry, Timepieces or Luxury Accessories)Unmatched consigning expertise
As the world's largest collectibles auctioneer, we bring our huge client base, technical savvy and marketing prowess to the table to make sure you get the most for your treasures.
How to consignThe collectors' favorite resource
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Henderson, NV
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Watch our Jewelry, Timepieces & Luxury Accessories VideoMeet our consignment experts

Jill Burgum
Jewelry
Senior Director, Fine Jewelry, Dallas
1-877-HERITAGE (877-437-4824) x1697
View Biography
A graduate of University of Hawaii at Manoa, Ms. Burgum received her B.A. in Art History. After completing her degree, she attended Bowman Tech and Stewart's International, both for training in jewelry manufacturing and repair, then the Gemological Institute of America in Santa Monica, California, where she completed degrees in both Graduate Gemology and Jewelry Design in 1994.
Ms. Burgum began her working career as an on-call preview worker for Sotheby's Beverly Hills, California. She then moved to San Francisco as a jewelry cataloguer for Butterfield & Butterfield Auctions in 1996, transferring to their Los Angeles Jewelry department in 1997 as lead specialist, which she eventually left to build two jewelry web sites for start-up companies. She has also worked in retail jewelry sales and owned her own independent jewelry appraisal business.
She has been a contributor to Art + Auction, Brilliant, Eclat, Modern Jeweler, MSN Money, and Rapaport magazines.
Ms. Burgum has been a guest lecturer for the Los Angeles Natural History Museum, Gem & Mineral Council, and appeared as a specialist on HGTV, KTLA, CNN, FOX Business and ANTIQUES ROADSHOW.

Jim Wolf
Timepieces
Director of Watches & Fine Timepieces
1-877-HERITAGE (877-437-4824) x1659

Jessica DuBroc
Jewelry
Director, Fine Jewelry, New York
1-877-HERITAGE (877-437-4824) x1978
View Biography

Tracy Sherman
Jewelry
Director, Fine Jewelry, Palm Beach
1-877-HERITAGE (877-437-4824) x1146
View Biography

Diane D'Amato
Luxury Accessories
Director, Luxury Accessories, New York
1-877-HERITAGE (877-437-4824) x1901
View Biography
Diane D'Amato is the Director of Luxury Accessories at Heritage. Diane made her name in the Luxury Accessories world following high profile positions working for Hermès of Paris and Louis Vuitton, where her buying trips to Paris were influential in setting market trends in the United States and she oversaw more than $12 million in annual sales. Her specialty is in creating exclusive marketing partnerships and forging loyal client relationships. Diane is based in New York, joining the talent-rich Heritage team stewarding the brand, where she assists consignors and collectors with appraisals as well as supervising the category's double digit growth.
Diane has used her talents to do extensive charitable fund raising, including sales that have benefited FATE (Foundation for Autism Training & Education), Crohn's and Colitis Foundation of America and St. Jude Children’s Research Hospital.

Gina D'Onofrio
Jewelry
Director, Fine Jewelry, Beverly Hills
1-877-HERITAGE (877-437-4824) x1153
View Biography
With work in the retail, auction and manufacturing sectors of the jewelry industry since 1989, Gina D’Onofrio’s experience encompasses jewelry design and production, appraisals, buying and selling of contemporary, antique and period jewelry, sales and management.
Prior to joining Heritage, Gina operated an independent gemological laboratory, appraisal service and consulting firm and has been catering to private individuals, banks, trusts, non-profit organizations, insurance companies, legal firms and the jewelry trade in the greater Los Angeles area.
Gina received her Master Gemologist Appraiser® designation, upon completion of appraisal studies, written and practical examinations and peer appraisal report review with the American Society of Appraisers. In addition, she was awarded the Certified Master Appraiser designation with the National Association of Jewelry Appraisers. In 2013, Gina received Los Angeles Magazine's coveted “Best in LA” award for her Jewelry Appraisal Services.
She conducts presentations and speeches about appraisal and jewelry related topics to private and corporate groups in the Los Angeles area. Gina is currently serving as Gems and Jewelry Education Chair for the American Society of Appraisers and co-instructor for their Appraisal Report Writing For Insurance Coverage course.
Professional Affiliations
• Fellow of the Gemmological Association of Great Britain (FGA)
• Fellow of The Gemological Association of Australia (FGAA)
• Certified Master Appraiser of the National Association of Jewelry Appraisers (NAJA)
• Accredited Senior Gemologist, Accredited Gemologists Association (AGA)
• Member of the National Association of Watch and Clock Collectors, (NAWCC)
• Accredited Senior Member & Master Gemologist Appraiser®, (ASA)

Keith Davis
Timepieces
Consignment Director, Watches & Fine Timepieces
1-877-HERITAGE (877-437-4824) x1971
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Keith Davis has worked within the timepiece industry for the entirety of his professional career, gaining valuable experience in nearly every aspect of the business. Prior to joining Heritage Auctions, he held executive and management positions at Richemont Group and LVMH. In his last role, Keith served as Commercial Director for Vacheron Constantin, overseeing the wholesale distribution for the brand in the U.S. and Canada. Prior to that position, he managed multiple regions for Bvlgari N.A., while also serving as the technical watch trainer for their retail and wholesale distribution.
Keith’s introduction to the industry started in watchmaking and progressed to vintage restoration apprenticeships in England and the U.S. After several years of study, he worked in luxury watch retail and as a private appraiser and authenticator of vintage and antique wristwatches.

Ana Wroblaski
Jewelry
Assistant Director, Fine Jewelry, Beverly Hills
1-877-HERITAGE (877-437-4824) x1154
View Biography
Prior to joining Heritage Auctions, Ana Wroblaski has been involved in the jewelry business on various levels since 1999. Born in Chicago and raised in Los Angeles, she joined John Moran Auctioneers in Pasadena during 2011 to take charge of their growing jewelry department. Previously, Ana spent five years at Bonham’s and Butterfield’s Los Angeles, first starting as assistant to the senior specialist before she was promoted to a specialist, appraising and cataloging jewelry that ranged from antique to modern.
Once Ana got a taste of working with precious metals on her own, she served as an apprentice with a master jeweler in the Downtown Los Angeles Jewelry District. Focusing on minerals and gems, she then went on to fabricate and design jewelry for her own line and others as well. Ana is a Graduate Gemologist, earning her diploma from the Gemological Institute of America (GIA), an Accredited Jewelry Professional (AJP) and is constantly continuing her education by attending workshops and seminars to stay abreast of treatments, new mine discoveries and current style trends in the jewelry world.
Ana has earned and stays current with the Uniform Standards of Professional Appraisal Practice (USPAP), and is currently working on the accreditation curriculum with the American Society of Appraisers (ASA).