The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...

Langford Lapidary is launching the first-ever Ellensburg Blue Artisan Showcase noon to 4 p.m. Saturday, March 29 at its space ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Whether you're looking to treat ...

Nearly everything is half off. Jewelry is a classic holiday gift, but it can be pricey. That’s where Black Friday deals come in—like Blue Nile’s massive half-off sale—that can save you ...

“Any vivid blue diamond is a discovery worth celebrating, but one of this size and depth of color is a rare event,” said Quig Bruning, Sotheby’s Head of Jewelry for the Americas & EMEA.