The 2025 Roskin Gem News Report’s Top 25
As the year comes to a close, the Roskin Gem News Report is proud to present the Top 25 most-read stories of 2025.
According to...
The Return of Jonker VI! Diamonds Take Center Stage at Sotheby’s December Sale
On December 9, at Sotheby’s new New York home in the Breuer Building, an impressive lineup of diamonds, important colored stones, and signature house...
Sotheby’s High Jewelry Geneva Auction Featuring Fancy Color Diamonds and No Heat Kashmir Sapphires...
The November Sotheby's High Jewelry Geneva auction put the spotlight squarely on a 10-carat Fancy Vivid Pink cushion-shape diamond known as the Glowing Rose,...
Christie’s Geneva Magnificent Jewels: Featuring the Mellon Blue and the Rainbow Collection
Christie's once again brought its Magnificent Jewels sale to Geneva this past week, following its May auction that brought in more than $72 million....
Sotheby’s Royal & Noble Jewels: Old Cuts, Natural Pearls, Tiaras, and Where Bids Soared...
Sotheby's Royal & Noble Jewels sale in Geneva on Wednesday, November 12, 2025, brought together treasures that showcased both exceptional craftsmanship and the deep,...
Guild Gemology Education Reports on Gemfields’ $32 Million Auction: “… a Measured Signal of...
Andrew "Andy" Lucas is the President of Guild Gemology Education. A former GIA field gemologist and education manager, Lucas has spent more than four...
A Heritage Auction Marathon: Over 500 items – an All Day All Night Sale,...
In our last report on Heritage Auctions' September 29 Fall Fine Jewelry Signature® Sale, we focused on a few beautiful pieces of colored gemstone...
The Final Rio Tinto Beyond Rare™ Tender! Rare Pinks, a Red, a Dozen Fancy...
Rio Tinto has announced what will be its final Beyond Rareâ„¢ Tender–the third and last of its annual "Art Series."
This closing chapter, titled...
Jewelry at Rago Arts: Antique to Art Deco on September 10, 2025
Rago Arts' September 10, 2025 auction in New Jersey offered more than just beautiful jewels–it offered a window into jewelry history. Art Nouveau, Art...
Seaman Schepps at Doyle’s August Auction: Why Fine Jewelry isn’t Always about Emeralds, Rubies,...
At Doyle's Fine Jewelry auction in New York last Thursday (August 21), the sale offered an impressive line-up of diamond rings along with a...
Four Color Highlights & One Old Mine Cut from Heritage’s Upcoming Fall Fine Jewelry...
Heritage Auctions' September 29 Fall Fine Jewelry Signature® Sale is still a few weeks away, but four loose gems and a mounted diamond are...
Christie’s Magnificent Jewels Auction: The Diamond Report / GIA Graded over 30 Diamond Lots!
As you know, when the Gemological Institute of America (GIA) weighs in on a diamond's quality, the industry pays attention–and rightfully so. GIA isn't...
