Ask the Gemstone & Jewelry Expert
Buying gemstones and jewelry can be a very mystifying challenge for most jewelry lovers. We know what we like by looking at something, but what is it really? How do we assess value? Why are certain similar looking stones so wildly dissimilar in price? What exactly are gemstone treatments and do they impact their value?
These and myriad other concerns perplex jewelry aficionados. There are of course countless websites purporting to know the inside scoop on these matters. But when it comes to something as important as gems, it pays to trust an expert with a proven track record.
An educator at heart, Loretta Castoro loves to be on the receiving end of questions—particularly the difficult ones! This page is her personal invitation to attempt to Stump the Expert. There are no silly or even too hard questions—only ones that haven't been asked. Here's your chance:
If you don't find your question answered below, ask Loretta and if she doesn't know the answer, chances are she knows someone, somewhere in the world who does! Just complete the "Ask the Expert" form on this page and check back often for "ask the expert" updates.
Appraisals
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Should I hire a certified gemologist to appraise my collection?
- Be the first to ask!
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What sources do you use to compare market values?
- Be the first to ask!
Equipment
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Do you recommend any specific brand or store for lab equipment?
- Be the first to ask!
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Is owning a loupe really necessary?
- Be the first to ask!
Exotic Gems
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What is the most exotic gem in the world?
- Be the first to ask!
Services
Castoro's private clients turn to her for world-class gemstones skillfully set into original couture jewelry. The value and quality of each piece she creates is guaranteed. And discriminating public figures and private clients are assured that each piece Castoro creates for them is as unique as they are.
Castoro has invested her entire life and career in the pursuit of knowledge within the gem world. Other trade professionals read about colleagues braving remote regions in search of gems, but Castoro actually goes there for her first hand experience.
Castoro is an often invited speaker for many jewelry groups and gemstone companies. Her expansive background and expertise spanning decades are called upon by companies requiring top-notch education and the latest trade information delivered in an entertaining and easy to assimilate format.
From PowerPoint lectures, to show and tell with visual aids, Castoro brings her audience information that means business, empowering attendees with targeted content to enhance their place in the trade. Castoro creates mini-labs for those desiring hands-on advanced training in a small group setting.
Castoro is the first choice of serious gem/jewelry scholars of every level for her expertly customized guided gem expeditions.
- On Site Lectures
- Hands-on Labs
- Gem Expeditions
Challenge Me!
Loretta doesn't have all the answers but she has a wide network of gem experts worldwide. If she doesn't have the answer to your question, chances are she knows someone who does!
Ask the Expert!
©2010
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Loretta Castoro
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