| Number | Name | Date | Kind |
|---|---|---|---|
| D59297 | Steel | Oct 1921 | S |
| 2143084 | Nirenstein | Jan 1939 | A |
| 5186024 | Waters, Jr. | Feb 1993 | A |
| 5970744 | Greeff | Oct 1999 | A |
| D424469 | Koucky | May 2000 | S |
| D425816 | Kavalek | May 2000 | S |
| D434691 | Swarovski | Dec 2000 | S |
| D453007 | Asscher | Jan 2002 | S |
| D461141 | Steiner | Aug 2002 | S |
| 6615611 | Schachter | Sep 2003 | B1 |
| D484824 | Namdar | Jan 2004 | S |
| D490340 | Ho | May 2004 | S |
| D490742 | Kejejian | Jun 2004 | S |
| D491837 | Fortgang | Jun 2004 | S |
| D494086 | Lax | Aug 2004 | S |
| D500961 | Krochmal | Jan 2005 | S |
| D501422 | Lax et al. | Feb 2005 | S |
| D502888 | Slewinski | Mar 2005 | S |
| D503651 | Kejejian | Apr 2005 | S |
| D524687 | Moller et al. | Jul 2006 | S |
| D550115 | Pandya et al. | Sep 2007 | S |
| D685286 | Bhansali | Jul 2013 | S |
| D741214 | Mezhibovsky et al. | Oct 2015 | S |
| D743834 | Sayed | Nov 2015 | S |
| D793899 | Tilbrook | Aug 2017 | S |
| D833324 | Slowinski | Nov 2018 | S |
| D965463 | Hung | Oct 2022 | S |
| D996904 | Kayiwa | Aug 2023 | S |
| 20120060557 | van Looveren | Mar 2012 | A1 |
| 20130298605 | Ritchie | Nov 2013 | A1 |
| 20130319045 | Ritchie | Dec 2013 | A1 |
| Number | Date | Country |
|---|---|---|
| 31552000-0001 | Sep 2000 | AT |
| 212260716 | Jan 2021 | CN |
| 306619650 | Jun 2021 | CN |
| 306703263 | Jul 2021 | CN |
| 214340559 | Oct 2021 | CN |
| 100247326 | Apr 2000 | KR |
| WOD 088312-001 | Apr 2016 | WO |
| Entry |
|---|
| 01-031 Step Round, Date Available Dec. 31, 1962, Facet Diagrams, Site Visited on Aug. 7, 2024: https://www.facetdiagrams.org/cgi-bin/showmatches.py?shape=01&code=01.&name=&designer=&reference=&year=&gear=&lbyw=&hbyw=&volfrac=&asc=&days_old=&nppg=200&page=1 (Year: 1962). |
| 8-Sided Octagon Step Cut Gemstone, Date Available Dec. 5, 2023, Etsy, Site Visited on Aug. 8, 2024: https://www.etsy.com/listing/1617199483/9mm-white-colorless-8-sided-octagon-step (Year: 2023). |
| Step Cut Faceted Round Shape Gemstone, No Date Available, Etsy, Site Visited on Aug. 8, 2024: https://www.etsy.com/listing/903006745/step-cut-lemon-quartz-faceted-8-to-15-mm (Year: 2024). |