Spare Parts and an Eye for Antique Diamonds: A Conversation with Michael Goldstein
Antique diamonds don’t need a trend cycle to justify their appeal. Still, it doesn’t hurt when a high-profile engagement ring brings them back into...
The 1901 Patent for the Diamond Saw: It was a Revolution
April 9, 1901 - No need to grind away the top of the Octahedron
William "Bill" D. Hoefer, Jr. GG (GIA), FGA is an educator,...
A Medieval Gold Ring found in Norway: An Important Ring—and a Stone You Might...
When this medieval gold ring first appeared in English-language news coverage earlier this month, it was already a really good story.
Three outlets — Archaeology...
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...
AN UPDATE – The French Crown Jewels: After the Louvre Heist… Better Images of...
Over One Month Later... What the Gem Industry Needs to Know
It has now been over a month since four men, disguised as construction workers,...
OLD IS GOLD: The Opportunities in Estate Jewelry – Feature story in the GemGuide
by Brecken Branstrator, GIA GG, Editor-in-Chief, GemGuide.
Estate jewelry is one of the hottest categories in the market right now — offering not only a...
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,...
Rediscovering Marcus & Co.: Macklowe Gallery Brings Masterpieces Into the Spotlight
NEW YORK – For decades, Marcus & Co. has been one of those elusive names in American jewelry history: admired by connoisseurs, but shrouded...
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...
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...
Sotheby’s Withdraws $13 Million Auction After India Reclaims Sacred Buddha Relics
A cache of ancient gemstones believed to have once rested above the cremated remains of the Buddha has been returned to India!
The move follows...
