spinel collector - blue spinelspinel collector - blue spinel

An Interview with Spinel Collector Seth Rosen


Spinel collector and gem trade expert Seth Rosen discusses the current market and potential future for this beautiful but little-known stone.

9 Minute Read

spinel collector - blue spinel
2.70-ct round, blue spinel. Photo © All That Glitters. Used with permission.

Spinel is a Collector’s Gem

First, we discussed the public’s limited knowledge of this gem. Mr. Rosen said plainly that spinel “is a collector’s gem.” But could that change? He responded:

I think the general public has never heard of spinel and never really will. The issue with spinel is that it’s rare. And really fine quality is quite rare.

Considering spinel’s rarity and obscurity, I asked Mr. Rosen how he first came to admire the gem.

Obviously, it’s easy to be interested in sapphire, rubies, colored diamonds, and stuff like that. Spinel just caught my eye. People didn’t really understand why it was so special. It was significantly more affordable at the time, especially for the premium colors. Red was always expensive but nothing like today.

Purplish red, mixed pear-cut spinel, 2.50 cts, 11.3 x 7 mm, Vietnam. © The Gem Trader. Used with permission.

What Should Spinel Buyers Look For?

Those in the trade know that every gemstone species has its own standards of beauty and quality. I asked Mr. Rosen what those shopping for spinels should consider. In terms of appearance, he said:


Emily Frontiere

Emily Frontiere is a GIA Graduate Gemologist. She is particularly experienced working with estate/antique jewelry.

Related Articles

More Articles
Spinel Gem, Price, and Jewelry InformationJoel E. Arem</a>, PhD, FGA. Used with permission." 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%"/>

Spinel Gem, Price, and Jewelry Information

Although long known best for being misidentified as ruby, the spinel gem is beautiful in its own right. Its colors,...
Read More
What is Jedi Spinel?

What is Jedi Spinel?

Jedi spinel makes a beautiful jewelry stone. Learn how it got its name and what qualities make this vivid pinkish...
Read More
What are Balas Rubies and Ruby Spinels?Photo by <a href=https://www.gemsociety.org/article/spinel-collector-seth-rosen-interview/"https://commons.wikimedia.org/wiki/User:Shakko">Shakko. Licensed under <a href=https://www.gemsociety.org/article/spinel-collector-seth-rosen-interview/"https://creativecommons.org/licenses/by-sa/3.0/legalcode">CC By-SA 3.0</a>." 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%"/>

What are Balas Rubies and Ruby Spinels?

For centuries, balas rubies were prized by royalty. Learn what happened after gemologists identified these gems as red spinels instead....
Read More
Spinel Sourcesshutterstock.com." 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%"/>

Spinel Sources

Learn about important spinel sources across the globe — from historical mines to recent discoveries — and the colors they...
Read More

Latest Articles

More Articles
Classic Engagement Ring StonesPastel purple sapphire</a>, 1.08 cts, 5.8 mm, round cut, Sri Lanka. © <a href=https://www.gemsociety.org/article/spinel-collector-seth-rosen-interview/"https://www.thegemtrader.com/">The Gem Trader</a>. Used with permission." 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%"/>

Classic Engagement Ring Stones

Emerald, ruby, sapphire, and diamond are the most popular choices for classic engagement ring stones. Learn more about these traditional...
Read More
Broken Bangle — The Blunder-Besmirched History of Jade Nomenclature: Book Review

Broken Bangle — The Blunder-Besmirched History of Jade Nomenclature: Book Review

Is fei cui a better term for "pyroxene jade" than jadeite? Jeffery Bergman reviews Broken Bangle, a new book on...
Read More
Cuprite Value, Price, and Jewelry InformationJoel E. Arem</a>, PhD, FGA. Used with permission." 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%"/>

Cuprite Value, Price, and Jewelry Information

One of the rarest of all facetable gems, cut cuprites can show magnificent deep red color. However, these beautiful stones...
Read More
Gemstone Radiation TreatmentPhoto courtesy of <a href=https://www.gemsociety.org/article/spinel-collector-seth-rosen-interview/"https://www.liveauctioneers.com/">liveauctioneers.com and <a href=https://www.gemsociety.org/article/spinel-collector-seth-rosen-interview/"https://www.liveauctioneers.com/auctioneer/1081/eros-auctions-inc/">Eros Auctions, Inc</a>." 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%"/>

Gemstone Radiation Treatment

Gemstone radiation is a common but little understood technique for altering colors. Learn how it works and what gems usually...
Read More

Never Stop Learning

When you join the IGS community, you get trusted diamond & gemstone information when you need it.

Become a Member

Get Gemology Insights

Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!