Your trusted source for expert jewelry appraisals
Gem Appraisals Unlimited LLC is a trusted and reputable source for jewelry and gemstone valuations, serving the Greater Los Angeles area, including the Inland Empire and Desert Communities of California. With over 30 years of experience in the jewelry and gemological industry, our Master Gemologist-Appraiser Teri Newman Brossmer has established herself as the most reliable and knowledgeable source for jewelry appraising in the region.
Our clients include private jewelry owners, insurance companies, attorneys, Federal and State agencies, police departments, as well as pawn shops and retailers. We are proud to be affiliated with prestigious organizations such as the National Association of Jewelry Appraisers, Gemological Institute of America, American Society of Appraisers, Accredited Gemologist Association, Women's Jewelry Association, and The Jewellery Valuers Association. We are also featured on Jewellery Appraisers of the World, where you can read/leave reviews on our Los Angeles Jewelry Appraiser page.
At Gem Appraisals Unlimited LLC, we prioritize our clients' privacy and confidentiality. We are committed to providing exceptional customer service, and we strive to make the appraisal process as efficient and stress-free as possible.
Our Services
As a full-service jewelry appraisal company, we offer a wide range of appraisal and valuation services, including:
- Professional Jewelry Appraisals: Our expert valuations of contemporary and estate jewelry are conducted by Master Gemologist Appraiser Teri Brossmer, who adheres to the highest standards according to USPAP, ASA, and NAJA.
- Litigation Support: We provide experienced expert witness and litigation support for jewelry valuation and trade practice and ethics. Our expertise in the field has made us a valuable resource for attorneys and insurance companies.
- Government and Law Enforcement Support: We offer local, County or State and Federal Government seized property examination and consultation using portable laboratory. Our services are essential for government agencies and law enforcement in determining the value of seized property.
- Jewelry Appraisal Services: All jewelry appraisals are professionally prepared to the highest standards. Whether you need an appraisal for insurance, estate, or resale purposes, we ensure that all appraisals are accurate, detailed, and reliable.
- Rates and Locations: We can often come to you to conduct gemstone and jewelry appraisal examinations. Call us for areas served and an estimate today.
Our Expertise
Master Gemologist-Appraiser Teri Newman Brossmer is an independent professional jewelry appraiser and gemologist with over 30 years of experience in the jewelry and gemological industry. Her many credentials and continuing education have made her a leading authority in the field of jewelry appraising. She is a Graduate Gemologist of the Gemological Institute of America (GIA), a Certified Gemologist Appraiser (CGA) of the American Gem Society (AGS), and a Member of the National Association of Jewelry Appraisers (NAJA).
Teri has extensive knowledge and experience in all aspects of jewelry and gemology, including diamond grading, colored stone identification, pearl grading, and appraisal methodology. She is committed to staying current with industry trends, market conditions, and appraisal methodology, ensuring that all appraisals reflect the most up-to-date and accurate information.

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