Kybele LLC

Arlington Heights, Illinois, USA

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Mineral Appraiser and Archaeogemologist
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About this Appraiser

Kybele LLC is an appraisal and consulting company specializing in the evaluation of jewelry, gems, and minerals. They are truly independent mineral and jewelry appraisers and do not buy or sell, so you can be certain of an unbiased resulting value of your precious items and collections. Unlike many jewelry appraisers, Kybele LLC has experience in the intricate area of evaluating fine minerals and mineral collections.

This business's owner and primary appraiser, Çiğdem Lüle PhD, FGA, GIA GG, is a mineralogist and an award-winning gemologist and focuses on providing individual attention and independent opinion of value to her clients. For this reason, Kybele works by appointment so that they can conduct the examination of your jewelry, diamonds, gemstones and minerals while you wait and watch. All metal testing, photography, gemstone identification and diamond grading is performed in your presence, as is the creation of a comprehensive, detailed description of your valuables.

Kybele LLC provides appraisal reports to help you for a variety of purposes including, but not limited to:

  • Obtaining or renewing insurance
  • Estate planning
  • Distribution
  • Divorce
  • Donation
  • Liquidation
  • Resale

All appraisals and valuations are performed in compliance with the general standards of the jewelry appraisal profession this include the requirements laid down by the Uniform Standards of Professional Appraisal Practice (USPAP), American Society of Appraisers (ASA) and the National Association of Jewelry Appraisers (NAJA).

Kybele's staff appreciates that jewelry often comprises some of the most valuable personal effects that their clients own, either materially or from a sentimental perspective. So, whether you have a single diamond ring or a large collection of gems, jewelry or minerals, Kybele would like to be your appraiser.

Please visit use the contact links at the top of this page to learn more about Kybele's appraisal services or schedule an appointment.


The Business

  • Private Practice & Trade Appraiser
  • Business mix: Appraiser
    Also: Educator, Market Analyst, Expert Witness, Author and Journalist,
  • Principal + 0 staff appraisers
  • Mon - Fri: 9am to 5pm
  • Home visits, via trusted entities & at Appraiser′s office


  • Time-based fees
  • All major cards accepted
  • Full appraisal reports start at $250


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  • FGA, DGA, GG
  • BSc., MSc., PhD mineralogy


  • AGA, Gem-A, SGA
  • MSA


  • AGA - Antonio Bonanno Award for Excellence in Gemology, 2016
  • SGA - Catriona McInnes Medal, 2019


Curriculum Vitae


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Mineral and Crystal authentication and appraisal


Kybele LLC
825 E. Golf Road
Unit 1100
Arlington Heights
IL 60005


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