July 20, 2023
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| Colored Stones |
 | Gary Roskin on the Colored Stone Business Circa 2023 The industry veteran (and former JCK editor) chats about gem “oddities,” color trends, his fascination with inclusions, and other topics. |
| From aventurine to marble, the materials that decorate some new dials are anything but predictable. |  |
 | Jacob & Co.’s Only Watch 2023 Timepiece Is a Gem-Set Tour de Force Estimated to fetch at least $780,000 in the biannual charity auction, the Astronomia Revolution 4th Dimension is a wristwatch like no other. |
| Tourmaline Is the It Gemstone of the Moment The gem, in all its multicolor glory, was everywhere at JCK Las Vegas. |  |
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