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Business Details
48 Years
experience
Trusted Cleveland Estate Jewelry Experts
Established in 1978, Great Lakes Gem has built a reputation as a trusted Cleveland-based jewelry firm specializing in the appraisal and acquisition of estate jewelry. Our team combines decades of industry experience with a commitment to personalized service, catering to families in Northeast Ohio seeking fair valuations for inherited pieces. We prioritize hands-on expertise through our GIA-certified appraiser and maintain global industry connections to ensure competitive pricing.

Our services extend to jewelry design, insurance replacement assistance, and restyling, blending traditional craftsmanship with modern needs. With a focus on transparency and community trust, we offer free consultations and appraisals, maintaining a customer-centric approach that has sustained our business for over four decades.
Services
Estate Jewelry Appraisal Jewelry Sales Insurance Replacement Jewelry Design Free Consultation
Details
  • Year established: 1978
Highlights and features
  • 40 years of specialized experience in estate jewelry appraisal and sales.
  • GIA-certified appraiser with 40 years of industry expertise.
  • Free in-person consultations at your preferred location.
  • Personalized jewelry design and restyling services available.
  • Extensive global contacts ensure competitive pricing for sellers.
Associations and certifications
  • Gemological Institute of America (GIA)
  • National Association of Jewelry Appraisers (NAJA)
Services
Estate Jewelry Appraisal
We provide expert appraisal services for estate jewelry, including diamonds, gemstones, and antique pieces. Our GIA-certified appraiser evaluates color, cut, clarity, and carat weight to determine accurate valuations. This service helps clients understand their jewelry's worth for sale, insurance, or inheritance purposes.
Jewelry Sales
We buy and sell estate, antique, and modern jewelry, offering competitive prices for diamonds, gold, and colored gemstones. Our extensive global network ensures quick transactions and fair market value for sellers while providing buyers with unique pieces.
Insurance Replacement
Our team assists with insurance claims for lost or stolen jewelry, providing accurate valuations and navigating complex claims processes. We help clients receive fair compensation through detailed documentation and industry expertise.
Jewelry Design
We specialize in restyling outdated jewelry into modern designs while preserving sentimental value. Our in-house designers create custom pieces tailored to client preferences, using inherited materials or new gemstones.
Free Consultation
We offer free consultations to discuss jewelry valuations, sales options, or design ideas. Clients can schedule in-office or on-site meetings for personalized guidance from our experienced team.
People
Jon Lief
Owner
Founder of Great Lakes Gem since 1978, Jon Lief has built a trusted reputation in Cleveland's jewelry community. With decades of experience in appraising and selling estate jewelry, he focuses on customer relationships.
Pamela Chester
Appraiser
A Graduate Gemologist since 1975, Pamela Chester brings 40 years of appraisal expertise to our clients. She specializes in diamond, gemstone, and antique jewelry valuations, serving Northeast Ohio with a portable lab.
Christopher Harry
Diamond Specialist
Third-generation diamond expert Christopher Harry manages our diamond inventory and sales. His family's industry connections ensure access to high-quality estate diamonds for buyers and sellers.
Questions
How do I get my estate jewelry appraised?
Visit our Cleveland office on Tuesdays or schedule an appointment at your location. Our GIA-certified appraiser will evaluate your jewelry for free and provide immediate feedback.
Can I sell antique jewelry to Great Lakes Gem Company?
Yes, we buy all estate jewelry including antique pieces. Bring your items to our office or request an in-home consultation for a fair, transparent valuation.
Do you help with insurance claims for lost jewelry?
Yes, we assist with insurance replacement claims by providing detailed valuations and documentation to ensure fair compensation for lost or stolen items.
Can you restyle my inherited jewelry?
Our designers can transform outdated pieces into modern jewelry while preserving sentimental elements. Schedule a consultation to explore customization options.
What payment methods do you accept?
Payment methods are discussed during consultations. We prioritize transparent transactions and will explain available options when purchasing your jewelry.
What areas do you serve?
While based in Cleveland, we serve all Northeast Ohio including Akron, Canton, Wooster, and Youngstown through in-office visits or on-site appointments.