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The ornamental design for a gemstone, as shown and described.
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Patent | Priority | Assignee | Title |
8616192, | Dec 11 2009 | Round brilliant cut gemstone and method for cutting the same | |
8769987, | Dec 01 2009 | DIMEXON DIAMONDS LTD | Gemstone |
D632205, | Dec 01 2009 | DIMEXON DIAMONDS LTD | Eighty-one facet brilliant cut diamond |
D718179, | Dec 24 2013 | Diamintangibles International, Ltd. | Diamond |
D791009, | Mar 24 2016 | Ten point pavilion diamond | |
D792270, | May 10 2016 | Hope Hong Kong International Limited | Diamond (10 hearts and 10 arrows) |
D831528, | Mar 06 2017 | VEGA JEWELDIAM PVT. LTD; VEGA JEWELDIAM PVT LTD | Gemstone |
D841515, | Sep 27 2016 | H.K. DESIGNS INC. | Gemstone |
D962816, | Aug 06 2019 | LUMEX DMCC | Multi-faceted gemstone |
D978014, | Sep 16 2020 | WORLDWIDE DIAMOND TRADEMARKS LTD | Round shaped gemstone with 10 hearts and 10 arrows |
ER2133, | |||
ER3197, |
Patent | Priority | Assignee | Title |
D439196, | Apr 03 2000 | TOLKOWSKY, JEAN PAUL | Precious stone |
D451427, | Apr 17 2000 | Precious stone | |
D501150, | Sep 10 2003 | DIAROUGH N V | Round cut gemstone |
D525902, | Feb 28 2005 | Diamond cut | |
D528459, | Jun 03 2005 | Rubel & Menasche, societe anonyme | Precious stone |
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