Mr. David S. Atlas
Accredited Gem Appraisers
732 Sansom St.
Philadelphia PA, 19106
US
EW #14286 is currently President of a family owned jewelry appraisal service busines established in 1898. Independent appraisal services. Years of expert testimony. Since 1967 expertise: diamonds, gems, jewelry appraisal & manufacturing.
None
Office:
2159221926
Fax:
3055748191
Graduate Gemologist, Gemological Institute of America, 1975.
National Association of Jewelry Appraisers, Senior Member
1992 to present.
National Association of Jewelry Appraisers, Senior Member
1992 to present.
Master Gemologist Appraiser designation awarded by Accredited
Gemologists Association, 1984.
Gemologists Association, 1984.
Accredited Senior Gemologist designation by the Accredited
Gemologists Association. Member since 1981
Gemologists Association. Member since 1981
Accredited Senior Appraiser, Master Gemologist Appraiser.,
American Society of Appraisers, 1977 to 1998.
American Society of Appraisers, 1977 to 1998.
Certified Gemologist, American Gem Society, 1974 to 1997.
Expertise:
Diamonds, colored gems, precious metals, jewelry manufacturing,
stone setting, antique jewelry, enameling and engraving, gem
identification, and collectibles.
Appraisals at all levels.
stone setting, antique jewelry, enameling and engraving, gem
identification, and collectibles.
Appraisals at all levels.
Gem Laboratory:
Expert # 14286 has a complete gem lab facility certified by the
Accredited Gemologists Association.
GIA graded diamond color master stones are part of this lab
equipment. AGL Color Scan, GemSet, and GemDialogue units. GIA Gran
I & II and Austron were tested in our lab over a long period, but
eye color grading, the SAS 2000 Spectrophotometer and ImaGem.
technology are relied upon. A Sarin Diamension and an Ogi
Megascope unit are in operation in our lab. Laser diamond inscription is provided in-house.
Expert # 14286 has a complete gem lab facility certified by the
Accredited Gemologists Association.
GIA graded diamond color master stones are part of this lab
equipment. AGL Color Scan, GemSet, and GemDialogue units. GIA Gran
I & II and Austron were tested in our lab over a long period, but
eye color grading, the SAS 2000 Spectrophotometer and ImaGem.
technology are relied upon. A Sarin Diamension and an Ogi
Megascope unit are in operation in our lab. Laser diamond inscription is provided in-house.
Expert # 14286 is known as the creator of the AGA-CERT., a diamond
grading report that includes a diamond cut grading system
developed by Expert # 14286 beginning in 1985 which is now widely
accepted by the diamond trade all around the USA and abroad. We
now provide AGA-LightStar. Reports.
grading report that includes a diamond cut grading system
developed by Expert # 14286 beginning in 1985 which is now widely
accepted by the diamond trade all around the USA and abroad. We
now provide AGA-LightStar. Reports.
Expert Witness Testimony:
Available upon request
Professional Experience:
1967 to the present:
President of a Gem Company established in 1898 in
Pennsylvania. The company has its own
appraisal division. Active in the jewelry business
since 1967 and became firm president in 1977. Not
only an appraiser, but was, until 2003, an active estate buyer,
manufacturer, and seller of gems and jewelry doing business
throughout the entire USA.
Pennsylvania. The company has its own
appraisal division. Active in the jewelry business
since 1967 and became firm president in 1977. Not
only an appraiser, but was, until 2003, an active estate buyer,
manufacturer, and seller of gems and jewelry doing business
throughout the entire USA.
Expert # 14286’s first 3 years in the jewelry industry, 1968 to 1971, was spent
with an old European jewelry craftsman where he learned to make and
repair jewelry. After that period, he spent much of his time
supervising the manufacture of thousands of new items and the
revision of old items, in order to make duplicates or one-of-akind,
hand made items. This part of his working career extended
over a 35 year period.
with an old European jewelry craftsman where he learned to make and
repair jewelry. After that period, he spent much of his time
supervising the manufacture of thousands of new items and the
revision of old items, in order to make duplicates or one-of-akind,
hand made items. This part of his working career extended
over a 35 year period.
Also, during this period he had taken nearly every course
available on the subject of jewelry and gem appraising. he now
spends much time teaching these same principles to others taking
this same career route.
available on the subject of jewelry and gem appraising. he now
spends much time teaching these same principles to others taking
this same career route.
Chairman, Ethics and Grievance Committee. 1992 to present
Associate Director, 1992 to present.
Associate Director, 1992 to present.
Partner with long time gemologist. Established July 2001.
Consultant and Appraiser. Pennsylvania District Attorney's Office
during prosecution in the misrepresentation of
diamonds. 1985-1987.
during prosecution in the misrepresentation of
diamonds. 1985-1987.
Internal Revenue Service Appraiser. Worked two separate appraisals
of donated gems: large topaz located in the Smithsonian
Institution, Washington, D.C.; large selection of kunzite crystals
located in the American Natural History Museum, New York City,
1986.
of donated gems: large topaz located in the Smithsonian
Institution, Washington, D.C.; large selection of kunzite crystals
located in the American Natural History Museum, New York City,
1986.
Consultant and Appraiser. FBI, Pennsylvania District Attorney's
Offices and US Customs. Worked in all matters of seized jewelry
property confiscation. Making auction estimates. 1989-2004.
Offices and US Customs. Worked in all matters of seized jewelry
property confiscation. Making auction estimates. 1989-2004.
Consultant. Philadelphia Redevelopment Authority in the
condemnation of a local business property that included jewelry
stores and their inventories. 1990-1993.
condemnation of a local business property that included jewelry
stores and their inventories. 1990-1993.
Consultant and Instructor. American Society of Appraisers, Master
Gemologist Appraiser Program. Developed instructional materials
and coordinated testing of candidate members. 1988-1992.
Gemologist Appraiser Program. Developed instructional materials
and coordinated testing of candidate members. 1988-1992.
Consultant and Instructor. National Association of Jewelry
Appraisers, General Appraisal Course. Developed instructional
materials and instructed classes. 1993 to present.
Appraisers, General Appraisal Course. Developed instructional
materials and instructed classes. 1993 to present.
Instructor, The Uniform Standards of Professional Appraisal
Practice. A Pennsylvania State Certified Course of 15 hours.
Mandatory for real estate appraisers and for all ASA Members.
Consultant to the Federal Trade Commission 1993 to 1995.
Practice. A Pennsylvania State Certified Course of 15 hours.
Mandatory for real estate appraisers and for all ASA Members.
Consultant to the Federal Trade Commission 1993 to 1995.
In regard to colored gem scams via telephone solicitation.
Consultant to the Gemological Institute of America in the
development of their appraisal course 1995/96.
Consultant to the Gemological Institute of America in the
development of their appraisal course 1995/96.
Activities:
Appraisal Editor. A publication targeted to jewelry industry retailers, 2002.
Honorary Associate Director, Ethics Committee Chairman, and
Instructor, National Association of Jewelry Appraisers, 1992- Present.
Treasurer and Member, Executive Board, Pennsylvania Jewelers' Row
Association, 1986 - Present.
Past Member, Board of Directors, Philadelphia Chapter, American
Society of Appraisers. 1985 to 1998.
Past Instructor, Uniform Standards of Appraisal Practice, USPAP.
For the Philadelphia Chapter of ASA.
Past Chairman, Ethics and Grievance Committee, Accredited
Gemologists Association, 1986 - 1995
Past International Chairman, Gem and Jewelry Committee, American
Society of Appraisers, 1991 - 1992.
Past Member, Gem and Jewelry Committee, American Society of
Appraisers, 1986 - 1988; 1989 - 1992.
Past Advisor and Member, International Board of Examiners,
American Society of Appraisers, 1986 - 1987; 1989 - 1992.
Past Instructor, American Society of Appraisers, Master Gemologist
Appraiser Course, 1987 - 1992.
Past President, Secretary/Treasurer, vice-president Philadelphia
Chapter, American Society of Appraisers, 1988 through 1992
Past Member, Nominating Committee, ASA Gems and Jewelry Committee
1993- 1995.
Past Member, Nomenclature Committee, American Gem Society, 1984-
1997.
Past Chairman, Personal Property Committee Program, American
Society of Appraisers International Conference held in
Philadelphia 1991.
Past Education Advisor, JAG, The Jewelers Advisory Group. A new
organization whose mission it is to promote honest dealing
and better appraising in the jewelry industry.
1995-1996.
Honorary Associate Director, Ethics Committee Chairman, and
Instructor, National Association of Jewelry Appraisers, 1992- Present.
Treasurer and Member, Executive Board, Pennsylvania Jewelers' Row
Association, 1986 - Present.
Past Member, Board of Directors, Philadelphia Chapter, American
Society of Appraisers. 1985 to 1998.
Past Instructor, Uniform Standards of Appraisal Practice, USPAP.
For the Philadelphia Chapter of ASA.
Past Chairman, Ethics and Grievance Committee, Accredited
Gemologists Association, 1986 - 1995
Past International Chairman, Gem and Jewelry Committee, American
Society of Appraisers, 1991 - 1992.
Past Member, Gem and Jewelry Committee, American Society of
Appraisers, 1986 - 1988; 1989 - 1992.
Past Advisor and Member, International Board of Examiners,
American Society of Appraisers, 1986 - 1987; 1989 - 1992.
Past Instructor, American Society of Appraisers, Master Gemologist
Appraiser Course, 1987 - 1992.
Past President, Secretary/Treasurer, vice-president Philadelphia
Chapter, American Society of Appraisers, 1988 through 1992
Past Member, Nominating Committee, ASA Gems and Jewelry Committee
1993- 1995.
Past Member, Nomenclature Committee, American Gem Society, 1984-
1997.
Past Chairman, Personal Property Committee Program, American
Society of Appraisers International Conference held in
Philadelphia 1991.
Past Education Advisor, JAG, The Jewelers Advisory Group. A new
organization whose mission it is to promote honest dealing
and better appraising in the jewelry industry.
1995-1996.
Continuing Education:
National Association of Jewelry Appraisers Conference,
This occurs two times each year. Instructor, coordinator, student and lecturer. 1992-
present.Tucson Gem and Mineral Show and related shows, February every year.
1985: Participated in a 35 hour course given by the GIA on their
colored stone grading system.
1986: Completed ISA Course #103, Personal Property Appraisers
Fiduciary Responsibilities, given at Indiana University.
1987: Recertified as a Master Gemologist Appraiser, ASA.
1989: Completed ISA Course #102, Personal Property Methodology
and Reasoning, and ISA Course #101, Introduction to Personal
Property Appraising, given through Indiana University.
1989-1992: Co-Writer and Class Instructor, Master Gemologist
Appraiser Program.
1990: Completed seminar sponsored by ASA, Litigation Support
Seminar.
1990: Attended an Accredited Gemologists Association special
conference, Surface Diffused Sapphire and Yehuda Treated
Diamonds.
1993: Co-writer and instructor, National Association of
Jewelry Appraisers, General Appraisal Course. February
in Tucson, September in Boston.
1993: Passed the American Society of Appraisers mandatory
course on Uniform Standards of Professional Appraisal
Practice known as USPAP held in Atlanta.
1993: Instructor on grading the "cut" of diamonds at the
Accredited Gemologists Assoc. meeting, Tucson, AZ.
1994 to present: Instructor for NAJA on appraisal science.
1994: Recertified as ASA Senior Appraiser
1995: Certified as a mediator in the State of New York. A 25
hour fully sanctioned course.
1995 and 1998: Instructor, Uniform Standards of Appraisal
Practice. American Society of Appraisers.
2005 & 2006: Attended the Accredited Gemologists Conference in
Tucson which pertains to the most timely gemological topics and
the technology of the diamond and colored gem industry.
This occurs two times each year. Instructor, coordinator, student and lecturer. 1992-
present.Tucson Gem and Mineral Show and related shows, February every year.
1985: Participated in a 35 hour course given by the GIA on their
colored stone grading system.
1986: Completed ISA Course #103, Personal Property Appraisers
Fiduciary Responsibilities, given at Indiana University.
1987: Recertified as a Master Gemologist Appraiser, ASA.
1989: Completed ISA Course #102, Personal Property Methodology
and Reasoning, and ISA Course #101, Introduction to Personal
Property Appraising, given through Indiana University.
1989-1992: Co-Writer and Class Instructor, Master Gemologist
Appraiser Program.
1990: Completed seminar sponsored by ASA, Litigation Support
Seminar.
1990: Attended an Accredited Gemologists Association special
conference, Surface Diffused Sapphire and Yehuda Treated
Diamonds.
1993: Co-writer and instructor, National Association of
Jewelry Appraisers, General Appraisal Course. February
in Tucson, September in Boston.
1993: Passed the American Society of Appraisers mandatory
course on Uniform Standards of Professional Appraisal
Practice known as USPAP held in Atlanta.
1993: Instructor on grading the "cut" of diamonds at the
Accredited Gemologists Assoc. meeting, Tucson, AZ.
1994 to present: Instructor for NAJA on appraisal science.
1994: Recertified as ASA Senior Appraiser
1995: Certified as a mediator in the State of New York. A 25
hour fully sanctioned course.
1995 and 1998: Instructor, Uniform Standards of Appraisal
Practice. American Society of Appraisers.
2005 & 2006: Attended the Accredited Gemologists Conference in
Tucson which pertains to the most timely gemological topics and
the technology of the diamond and colored gem industry.
Speaking Engagements, Public Service:
1985: Speaker on evaluating older cut diamonds, Association of
Women Gemologists.
1985: Speaker on diamond evaluation, American Society of
Appraisers International Convention.
1985: Donated 11 hours of appraisal time to the public and ABC
affiliate station (TV Channel 10) in the investigation of
fraud re: Ron Perlstein matter.
1986: Speaker on recutting old cut diamonds, American Society
of Appraisers International Convention.
1986: Speaker on how to best buy a diamond and how to be an
aware consumer, Masonic Regal Square Club.
1986: Panelist at meeting on the subject of antique and estate
jewelry, New Jersey Jewelers Association.
1986: Panelist in a round table discussion of diamond grading
and misrepresentation of diamond grades, Jewelers
Circular Keystone Magazine, Published August 1986
edition.
1987: Speaker on the subject of being a good expert witness,
Accredited Gemologists Association National Conference.
1987: Donated time to the public in order to assist Perlstein
customers in getting fair settlements of their claims
1987: Lectured on The Identification and Valuation of Jewelry
and Stones Set Into Jewelry at an adult education class,
Cheltenham Township Adult School.
1988: Speaker, Personal Perspective of the Diamond Market,
Diamond High Council of Belgium, The Antwerp Diamond
Seminar Luncheon.
1988: Donated three appraisal sessions for the checking of
karat gold content in an ongoing investigation to protect
consumers from underkarating of gold jewelry,
Pennsylvania Attorney General's Office.
1988: Cooperated with Herb Denenberg, author and past PA
Insurance Commissioner, in the
1985: Speaker on evaluating older cut diamonds, Association of
Women Gemologists.
1985: Speaker on diamond evaluation, American Society of
Appraisers International Convention.
1985: Donated 11 hours of appraisal time to the public and ABC
affiliate station (TV Channel 10) in the investigation of
fraud re: Ron Perlstein matter.
1986: Speaker on recutting old cut diamonds, American Society
of Appraisers International Convention.
1986: Speaker on how to best buy a diamond and how to be an
aware consumer, Masonic Regal Square Club.
1986: Panelist at meeting on the subject of antique and estate
jewelry, New Jersey Jewelers Association.
1986: Panelist in a round table discussion of diamond grading
and misrepresentation of diamond grades, Jewelers
Circular Keystone Magazine, Published August 1986
edition.
1987: Speaker on the subject of being a good expert witness,
Accredited Gemologists Association National Conference.
1987: Donated time to the public in order to assist Perlstein
customers in getting fair settlements of their claims
1987: Lectured on The Identification and Valuation of Jewelry
and Stones Set Into Jewelry at an adult education class,
Cheltenham Township Adult School.
1988: Speaker, Personal Perspective of the Diamond Market,
Diamond High Council of Belgium, The Antwerp Diamond
Seminar Luncheon.
1988: Donated three appraisal sessions for the checking of
karat gold content in an ongoing investigation to protect
consumers from underkarating of gold jewelry,
Pennsylvania Attorney General's Office.
1988: Cooperated with Herb Denenberg, author and past PA
Insurance Commissioner, in the
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