Ancient Gems – the Apollo Auctions, April 12, 2026: Fine Ancient Art & Antiquities

Apollo Art Auctions, located in London, focuses primarily on ancient works—Egyptian, Greek, Roman, Viking, and medieval artifacts. What draws our attention to these auctions are,...

Antique and Vintage Jewellery Education

New Antique Jewelry Course Teaches How to Read the Jewel For anyone who has ever handled a piece of antique jewelry and wondered whether they...

Celebrating Queen Elizabeth’s 100th Birthday: T&C has the Jewels Covered

The Jewels, The Tributes, The Legacy April 21, 2026, marked what would have been the 100th birthday of Queen Elizabeth II, one of the most...

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...
Elegant ring with a large pear-shaped blue gemstone and diamond-studded band.

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....
Intricate vintage pearl necklace with matching brooch.

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,...
Book cover of 'Marcus & Co.' featuring botanical illustrations.

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...