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The Rarest Blue Diamond in the World? Designing It with Frank Everett and Phyllis Kao

16 JUNE | NEW YORK

The Rarest Blue Diamond in the World? Designing It with Frank Everett and Phyllis Kao

What would you do with the rarest blue diamond in the world? 💎 Only three intense blue diamonds over 10 carats have appeared at auction in 20 years.

View 1 of Lot 120: Extraordinary Unmounted Fancy Intense Blue Diamond 卓越瑰麗 10.02克拉 濃彩藍色鑽石
Lot
Extraordinary Unmounted Fancy Intense Blue Diamond 卓越瑰麗 10.02克拉 濃彩藍色鑽石
16 June 2026 | Sale price: 8,660,000 USD
High Jewelry
16 June 2026 | 10:00 AM EDT | New York

Frank Everett and Phyllis Kao take you behind the scenes at Sotheby’s to imagine the impossible: How do you design for a stone this rare? From a "royal" stick pin to a genius 1970s ring hack, see which design wins. Which one would you wear? ✨

This rare and intense blue diamond is on offer as a part of the High Jewelry sale in Sotheby's New York on 16 June.

Credit to Stasia Parker for all jewelry design sketches included in this video.

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High Jewelry

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