AU3721799A - Examining diamonds - Google Patents

Examining diamonds

Info

Publication number
AU3721799A
AU3721799A AU37217/99A AU3721799A AU3721799A AU 3721799 A AU3721799 A AU 3721799A AU 37217/99 A AU37217/99 A AU 37217/99A AU 3721799 A AU3721799 A AU 3721799A AU 3721799 A AU3721799 A AU 3721799A
Authority
AU
Australia
Prior art keywords
diamonds
examining
examining diamonds
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.)
Abandoned
Application number
AU37217/99A
Inventor
Philip Maurice Martineau
Paul Martyn Spear
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.)
Gersan Ets
Original Assignee
Gersan Ets
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
Priority claimed from GB9809400A external-priority patent/GB2336901A/en
Application filed by Gersan Ets filed Critical Gersan Ets
Publication of AU3721799A publication Critical patent/AU3721799A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels
AU37217/99A 1998-04-30 1999-04-30 Examining diamonds Abandoned AU3721799A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9809400A GB2336901A (en) 1998-04-30 1998-04-30 Examining diamonds
GB9809400 1998-04-30
GBGB9812438.1A GB9812438D0 (en) 1998-04-30 1998-06-09 Examining diamonds
GB9812438 1998-06-09
PCT/GB1999/001358 WO1999057544A1 (en) 1998-04-30 1999-04-30 Examining diamonds

Publications (1)

Publication Number Publication Date
AU3721799A true AU3721799A (en) 1999-11-23

Family

ID=26313581

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37217/99A Abandoned AU3721799A (en) 1998-04-30 1999-04-30 Examining diamonds

Country Status (2)

Country Link
AU (1) AU3721799A (en)
WO (1) WO1999057544A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002331938B2 (en) * 2001-09-12 2006-08-03 Gersan Establishment Examining a diamond
GB201511461D0 (en) * 2015-06-30 2015-08-12 Beers Uk De Ltd Luminescence measurements in diamond
US9993931B1 (en) 2016-11-23 2018-06-12 Personal Care Marketing And Research, Inc. Razor docking and pivot
AU2017375435B2 (en) * 2016-12-15 2022-02-17 Gemological Institute Of America, Inc. (Gia) Device and method for screening gemstones
GB2577928A (en) * 2018-10-11 2020-04-15 Univ Oxford Innovation Ltd Laser method and apparatus for analysing crystals
WO2021023211A1 (en) * 2019-08-05 2021-02-11 Goldway Technology Limited System and process for diamond authentication
CN115038958A (en) 2019-11-26 2022-09-09 美国杰莫洛吉克尔研究所有限公司 (Gia) Fluorescence imaging of gemstones on transparent stages
GB2590932B (en) * 2020-01-07 2024-02-07 De Beers Uk Ltd Determination of a gemstone's composition

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL92133A (en) * 1989-10-27 1993-01-31 Uri Neta Haifa And Aharon Yifr Method and apparatus for identifying gemstones, particularly diamonds
GB2275788B (en) * 1993-03-05 1996-07-31 Gersan Ets Distinguishing natural from synthetic diamond
GB2303698A (en) * 1995-07-24 1997-02-26 Gersan Ets A method and apparatus for detecting layers of synthetic diamond

Also Published As

Publication number Publication date
WO1999057544A1 (en) 1999-11-11

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase