Lisa Rosen

Articles by Lisa Rosen

Exclusive: Rauw Alejandro and Rosalía’s engagement ring details revealed

Exclusive: Rauw Alejandro and Rosalía’s engagement ring details revealed

We reveal new custom details and photos of Rosalia's 4 carat round diamond engagement ring.
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What Customers Value Most in the Jewelry Insurance Buying Experience

What Customers Value Most in the Jewelry Insurance Buying Experience

There are a lot of considerations when buying jewelry insurance. Here's how to find the best policy provider.
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November Birthstones: Citrine and Yellow Topazcitrine engagement ring</a> if your partner is born in November. " src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;object-fit:cover;object-position:50% 50%"/>

November Birthstones: Citrine and Yellow Topaz

What is the November Birthstone? The most common birthstone for November is yellow topaz however citrine, another lovely yellow gemstone,...
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August Birthstones: Peridot and Spinellight green peridot</a> in this split shank rope-style ring." src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;object-fit:cover;object-position:50% 50%"/>

August Birthstones: Peridot and Spinel

What is the August Birthstone? Periodot and spinel are the modern birthstones for August. Those born in this month are...
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Exclusive Industry Interview: Clean Origin CEO Alexander Weindling Predicts Explosive Growth For Lab-Grown Diamonds

Exclusive Industry Interview: Clean Origin CEO Alexander Weindling Predicts Explosive Growth For Lab-Grown Diamonds

May 9, 2022 Lab-grown diamonds are finally hitting mainstream consumers, and Alexander Weindling, Co-Founder and CEO of Great Heights, which...
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Cartier Signals Price Increase And Other Luxury Jewelers May Followvfhnb12" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;object-fit:cover;object-position:50% 50%"/>

Cartier Signals Price Increase And Other Luxury Jewelers May Follow

Geopolitics may finally be catching up to the luxury jewelry market. In a recent interview with Bloomberg, Cartier CEO Cyrille...
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Russian Invasion of Ukraine Will Not Disrupt Supply of Diamonds, Gold in the Short Term

Russian Invasion of Ukraine Will Not Disrupt Supply of Diamonds, Gold in the Short Term

By Walter Yeates with Lisa Rosen contributing March 10, 2022 On February 24, 2022, Russian President Vladimir Putin ordered an...
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Sotheby’s Sells 555.55-ct Enigma Diamond for $4.3m

Sotheby’s Sells 555.55-ct Enigma Diamond for $4.3m

Sotheby’s sold the 55-sided, 555.55-ct Enigma diamond for $4.3 million. It’s the largest natural black diamond and largest cut diamond...
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Star Sapphires and the Daddy Moon: Gemstone Stories

Star Sapphires and the Daddy Moon: Gemstone Stories

You can make future heirlooms with colored gems. A soldier returns from Afghanistan and tells his wife the gemstone stories...
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What is Your Gemstone Personality?

What is Your Gemstone Personality?

Think of jewelry stones as reflections of you or the recipient. Learning about colored gems can help you find the...
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A Short History of Diaspore and its trade names Zultanite and Csarite

A Short History of Diaspore and its trade names Zultanite and Csarite

Publisher's note: This short history was originally published by the late Stephen Kotlowski, in the public domain, and is reproduced...
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2015 Tucson Gem and Mineral Show – IGS Member Report

2015 Tucson Gem and Mineral Show – IGS Member Report

Review of the 2015 Tucson Gem and Mineral Show by International Gem Society member Richard Edley.
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More Team Members
Donald Clark, CSM
Donald Clark, CSM IMG
Jeffery Bergman, SSEF SGC
Joel E. Arem, Ph.D., FGA
Fatma Oya Borahan, GG, FGG
Barbara Smigel, PhD. GG
View the whole team