Home Page

by Emily “D.D.” Frontiere –Contributing Editor –for the Roskin Gem News Report – The modern world is characterized by rapidly evolving technology. Regardless of personal...
From an Arkansas diamond and jeweled orchids, to American gemstones and the women behind some of Tiffany's celebrated designs, Crystal Bridges Museum of American...

THE LATEST GEM NEWS

AGTA Extends Final Deadline for Spectrum & Cutting Edge Awards

The final deadline for the 2026 AGTA Spectrum & Cutting Edge Awards is extended to Wednesday, October 14, 2026. Entry forms, fees and all physical entries must reach the...

Boodles Acquires Argyle Pink Diamonds Brand and Remaining Pink Diamond Inventory

British Jeweler Plans to Release the Remaining Pink Diamonds Over Approximately 10 Years The Argyle Pink Diamonds story is entering a new chapter. British luxury jeweler Boodles has acquired the Argyle...

Not Everything from Abuloo, Ethiopia is Paraiba

New Research takes a closer look at Ethiopia's newest gemstone discovery— and at what it takes to confirm a new source Vincent Pardieu and Colleaguestake a closer look at the...

Exhibition at the Lizzadro – The Art of Transformation, the Jewelry of Mark Schneider

Special ExhibitThe Art of Transformation:The Jewelry of Mark SchneiderFrom November 7, 2026 through April 2027 What comes first, the gemstone or the jewelry? For Mark Schneider, it is usually the...

Gem-A Updates Its Gemmology Diploma: Revised Course Introduces Updated Science, Technology, Research and Terminology

Students that started in September 2026 are the first to study the new and improved Gemmology Diploma course,following the successful overhaul of the Gemmology Foundation course in 2025. Press Release:...

Hardrock Summit & the Denver Gem and Mineral Show: Cara & Bear Williams Give...

Colorful displays and rare finds highlight a week-long celebration of earth science.Unusual sightings gave spice to this visit. DENVER, CO. — Incredible mineral specimens, fine gemstones and fossil specimens filled...

Punctuation Matters: What You Read is not Always What You Think You Read

A Personal Note We saw a punctuation typo the other day. Instead of a “.20-carat diamond,” it was written as a “20-carat diamond.” When you looked at the jewel being described,...

COLORED GEM NEWS

When Traditional Gemology Isn’t Enough: GIA’s Dr. Aaron Palke Explains Why Advanced Testing Matters

by Emily “D.D.” Frontiere –Contributing Editor –for the Roskin Gem News Report – The modern world is characterized by rapidly evolving technology. Regardless of personal opinions, continuously advancing technology is...

AGTA Extends Final Deadline for Spectrum & Cutting Edge Awards

The final deadline for the 2026 AGTA Spectrum & Cutting Edge Awards is extended to Wednesday, October 14, 2026. Entry forms, fees and all physical entries must reach the...

Not Everything from Abuloo, Ethiopia is Paraiba

New Research takes a closer look at Ethiopia's newest gemstone discovery— and at what it takes to confirm a new source Vincent Pardieu and Colleaguestake a closer look at the...

Exhibition at the Lizzadro – The Art of Transformation, the Jewelry of Mark Schneider

Special ExhibitThe Art of Transformation:The Jewelry of Mark SchneiderFrom November 7, 2026 through April 2027 What comes first, the gemstone or the jewelry? For Mark Schneider, it is usually the...

Hardrock Summit & the Denver Gem and Mineral Show: Cara & Bear Williams Give...

Colorful displays and rare finds highlight a week-long celebration of earth science.Unusual sightings gave spice to this visit. DENVER, CO. — Incredible mineral specimens, fine gemstones and fossil specimens filled...

AGTA Meets with Royal Thai Government to Press for Trade Agreement: UPDATE

AGTA Goes to Thailand: Working Both Sides of the Tariff AgreementThe American Gem Trade Association (AGTA) has taken its tariff campaign to Thailand. AGTA President Bruce Bridges and CEO John...

TAP HERE FOR MORE COLORED GEM NEWS

DIAMOND NEWS

Boodles Acquires Argyle Pink Diamonds Brand and Remaining Pink Diamond Inventory

British Jeweler Plans to Release the Remaining Pink Diamonds Over Approximately 10 Years The Argyle Pink Diamonds story is entering a new chapter. British luxury jeweler Boodles has acquired the Argyle...

Canada Falls, Synthetics Rise, and the Diamond Market Splits in Two: Jon Phillips and...

"It’s been a tough few years in the natural diamond market," notes Jon Phillips, "seriously challenged by synthetics, lower demand and shrinking supply." "How will natural diamonds do when assailed...

OBJECTIVE DIAMOND CLARITY GRADING: We Think We’re Being Subjective, but Our Brain is Doing...

Diamond clarity grading has always been considered subjective. An experienced grader looks at a diamond and says, “That looks like a solid SI₁ to me.” But why? What is...

De Beers: How Did We Go From $39 Billion to $1 Billion? The Answer...

For the past two+ years, the headlines have come quickly. A $39 billion takeover bid for Anglo American by BHP. Anglo American puts De Beers up for sale.Diamond production cuts....

Van Cleef & Arpels Revisits Egyptian Revival at Vienna’s MAK Museum (and in its...

This summer, Van Cleef & Arpels reminds us how "ordinary" gem materials can be transformed into extraordinary jewels. Lapis lazuli. Turquoise. Coral. Black onyx. Malachite. Chrysoprase. Sometimes the magic...

GemGuide Updates Old European Diamond Prices

GemGuide has updated its Old European-cut diamond prices, decreasing them across all sizes. The revised prices are available now in the GemGuide Pricing App and will also appear in...

TAP HERE FOR MORE DIAMOND NEWS

ANTIQUE & ESTATE GEM NEWS

Tiffany’s American Gemstones, Jewelry, and Objets on Exhibit at Crystal Bridges Museum of American...

From an Arkansas diamond and jeweled orchids, to American gemstones and the women behind some of Tiffany's celebrated designs, Crystal Bridges Museum of American Art explores nearly a century...

Paying Attention to the Details: A.R. Wild, a 1922 Tourmaline — and the Art...

A.R. WILD 22 ... It is a small signature on a rather large tourmaline. The 38 × 24 mm green tourmaline we are referring to is the centerpiece of...

Heritage Auctions’ Upcoming Fine Jewelry Sale: What Caught Our Eye This Time

You will often see auction previews here in the Roskin Gem News Report. We love to highlight the High Jewelry, Magnificent Jewels and Royal Jewels auctions, simply because they...

Sotheby’s Hong Kong: Great Gems, Great Names — and the Results

Sotheby’s Hong Kong High Jewelry auction was jam-packed with outstanding gems, important names, and fabulous designs. In fact, there were so many nice emeralds, rubies and sapphires, Paraíba tourmalines,...

United States Patent Office: Process for the Manufacture of Artificial Pearls

◈ We continue with our ongoing series of gem-related patents dating back more than a century,uncovered and shared by William “Bill” D. Hoefer Jr., GG (GIA), FGA — educator, expert...

Schmuckmuseum Pforzheim Presents “Silver Lining” – Diamonds, Gemstones and the Changing Role of Silver

Three exhibitions are now on view at the Schmuckmuseum Pforzheim in Pforzheim, Germany. They remind us of what silver has done for jewelry — and what it is doing...

TAP HERE FOR MORE ANTIQUE & ESTATE GEM NEWS

CELEBRITY GEM NEWS

Rolex Creates Four One-of-a-Kind Daytonas: A Time for All Seasons

Four One-of-a-Kind Daytonas Head to Auction — Dials and Subdials Made of Chrysoprase, Lepidolite, Turquoise, Ruby, Mookaite, Opal and Lapis,with Bezels and Hour Markers Set with Sapphires, Diamonds and...

Van Cleef & Arpels Diamond Necklace Stolen: 41 Hammer Blows to the Glass —...

Queen Nazli of Egypt's historic Van Cleef & Arpels diamond necklacehas been stolen from the MAK in Vienna— just weeks before the museum's “Glanzstücke” exhibition was scheduled to close. Forty-one...

Accredited Gemologists Association: 2026 Celebrity Gemologist Interview featuring Christopher Smith of American Gemological Laboratories

2026 Celebrity Gemologist Interview featuring Christopher Smith of American Gemological LaboratoriesTuesday, August 18, 2026, 10am PDT NEW DATE TO BE ANNOUNCED Christopher P. Smith, President and Chief Gemologist of American Gemological...

The Bride of Frankenstein Necklace: A Masterclass in Jewelry Provenance

A chance discovery in a Berkeley antique shop became an eight-decade provenance investigation—showing how research can become the most valuable part of a piece of jewelry. What would you do...

Tiaras Fit for a Queen… Created for an Exhibition

When Her Majesty Queen Mary recently visited Gavnø Castle in Denmark, she wasn't there to admire the Danish Crown Jewels. Instead, she came to explore an exhibition of contemporary headpieces...

A Different Kind of Brilliance: Argyle Names 2026 “Rare Gem”

Argyle Pink Diamonds™ and West Australian Ballet are delighted to announceIsabella Triscari as their Rare Gem for 2026.The second year of a unique program, the Rare Gems partnership supportsthe talented dancers from the...

TAP HERE FOR MORE CELEBRITY GEM NEWS