Next Catoca and Luele sales will see lower availability in those sizes, Endiama says.
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10.02-carat Tiffany & Co. diamond ring is top seller, fetching $520,700.
Brand will remain as collection within Blue Nile.
Ring centering 26-carat stone brings in $1.3 million at recent London auction.
Shipments up 9% year on year in February.
Growth is part of strong “holiday destination” categories and trend of returning to the office, company says.
Average value per carat down 21% to $1,105.
Guy Burton of Hancocks London discusses vintage diamond shapes.
9-carat gemstone will carry $833,000 high estimate at the March 30 sale.
Mark and Candy Udell receive Lifetime Achievement honor.
Market Comment: March 19, 2026