EP3804553A1 - Coupe pour une gemme - Google Patents

Coupe pour une gemme Download PDF

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Publication number
EP3804553A1
EP3804553A1 EP19202573.2A EP19202573A EP3804553A1 EP 3804553 A1 EP3804553 A1 EP 3804553A1 EP 19202573 A EP19202573 A EP 19202573A EP 3804553 A1 EP3804553 A1 EP 3804553A1
Authority
EP
European Patent Office
Prior art keywords
facets
crown
gemstone
girdle
main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19202573.2A
Other languages
German (de)
English (en)
Inventor
Günther Blasbichler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
D Swarovski KG
Original Assignee
D Swarovski KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by D Swarovski KG filed Critical D Swarovski KG
Priority to EP19202573.2A priority Critical patent/EP3804553A1/fr
Publication of EP3804553A1 publication Critical patent/EP3804553A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/001—Faceting gems
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/007—Special types of gems
    • A44C17/008—Glass stones
EP19202573.2A 2019-10-10 2019-10-10 Coupe pour une gemme Withdrawn EP3804553A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19202573.2A EP3804553A1 (fr) 2019-10-10 2019-10-10 Coupe pour une gemme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19202573.2A EP3804553A1 (fr) 2019-10-10 2019-10-10 Coupe pour une gemme

Publications (1)

Publication Number Publication Date
EP3804553A1 true EP3804553A1 (fr) 2021-04-14

Family

ID=68280765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19202573.2A Withdrawn EP3804553A1 (fr) 2019-10-10 2019-10-10 Coupe pour une gemme

Country Status (1)

Country Link
EP (1) EP3804553A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2270270A (en) * 1940-04-20 1942-01-20 Clare Philip Molded plastic gem
US3796065A (en) * 1970-12-01 1974-03-12 Joostes Diamond Cutting Works Stone with emerald cut crown and modified brilliant cut base
EP1725502A1 (fr) 2004-03-19 2006-11-29 D. Swarovski & Co. Verre de cristal exempt de plomb et de baryum
EP2625149A1 (fr) 2011-09-01 2013-08-14 Preciosa, A.S. Cristal possédant un indice de réfraction supérieur à 1,53 et ne contenant pas de composés à base de plomb, de baryum et d'arsenic
WO2015027252A1 (fr) 2013-08-27 2015-03-05 D. Swarowski Kg Système d'analyse d'un motif lumineux généré par réfraction et réflexion sur une pierre précieuse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2270270A (en) * 1940-04-20 1942-01-20 Clare Philip Molded plastic gem
US3796065A (en) * 1970-12-01 1974-03-12 Joostes Diamond Cutting Works Stone with emerald cut crown and modified brilliant cut base
EP1725502A1 (fr) 2004-03-19 2006-11-29 D. Swarovski & Co. Verre de cristal exempt de plomb et de baryum
EP2625149A1 (fr) 2011-09-01 2013-08-14 Preciosa, A.S. Cristal possédant un indice de réfraction supérieur à 1,53 et ne contenant pas de composés à base de plomb, de baryum et d'arsenic
WO2015027252A1 (fr) 2013-08-27 2015-03-05 D. Swarowski Kg Système d'analyse d'un motif lumineux généré par réfraction et réflexion sur une pierre précieuse

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
J. SASIAN ET AL.: "Optical Engineering", vol. 46, 2007, AMERICAN GEMOLOGICAL SOCIETY, article "Evaluation of brilliance, fire, and scintillation in round brilliant gemstones", pages: 093604
MOSES ET AL., GEMS & GEMOLOGY, vol. 40, no. 3, 2004, Retrieved from the Internet <URL:https://www.qia.edu/qems-qemoloqy/fall-2004-qradinq-cut-quality-brilliant-diamond-moses>
P. YANTZER ET AL., FOUNDATION, RESEARCH RESULTS AND APPLICATION OF THE NEW AGS CUT GRADING SYSTEM, Retrieved from the Internet <URL:https://cdn.vmaws.eom/www.americanqemsociety.orq/resource/resmqr/docs/AGSLab/AGS-Cut-System.pdf>

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