GIA Graduate Gemologist
Isabella Chen
Founder & Lead Authenticator
12+ years · Van Cleef · Cartier · Bulgari
About Jewelry Refined
Founded by certified gemologists and luxury specialists with 15+ years of combined experience in authentication, valuation, and the secondary market.
We've personally authenticated thousands of pieces from Van Cleef & Arpels, Cartier, Tiffany & Co., and other prestigious houses. Our mission is to share that expertise so you can shop the secondary market with confidence.
Verified Expertise
GIA-trained gemologists with auction-house experience
15+
Years of Experience
5,000+
Pieces Authenticated
$12M+
Jewelry Evaluated
50K+
Readers Monthly
The Team
Ten specialists with decades of hands-on experience across authentication, valuation, and the secondary market.
GIA Graduate Gemologist
Founder & Lead Authenticator
12+ years · Van Cleef · Cartier · Bulgari
Luxury Market Expert
Senior Editor & Market Analyst
8+ years · Market Trends · Investment
GIA Pearls Graduate
Authentication Specialist
10+ years · Pearls · Vintage
Jewelry Collector
Contributing Writer
6+ years · Buying Guides · Estate
Former Boutique Brand Specialist
Brand Specialist & Editor-at-Large
7+ years · Chopard · Piaget
GIA Graduate Diamonds
Diamond Specialist
15+ years · Harry Winston · Graff
Art History PhD
Vintage Jewelry Historian
12+ years · Art Deco · Victorian
ASA Certified
Watch & Jewelry Appraiser
18+ years · Appraisals · Estate
Former Vogue Contributor
Styling & Trends Editor
8+ years · Styling · Trends
E-Commerce Expert
Platform Review Specialist
5+ years · Fashionphile · RealReal
Methodology
Every piece of content is researched, written, and reviewed by our team of certified experts. We don't publish anything we haven't personally verified.
01
We examine actual pieces, visit boutiques, and test platforms ourselves before writing about them.
02
All authentication guides are reviewed by our GIA-certified gemologists for accuracy.
03
Pricing data is tracked across multiple platforms and updated regularly to ensure accuracy.
04
We revisit and update our content as markets change and new information becomes available.
Our Values
We only recommend platforms and practices we would use ourselves. Your confidence matters more than any commission.
Knowledge empowers better decisions. Our guides help you understand what you are buying and why it matters.
We cover the world's finest jewelry houses because quality matters. Only the best deserves your investment.
We genuinely love fine jewelry and the stories behind each piece. That passion drives everything we create.
Our Work Has Been Referenced By
Get In Touch
Our team is happy to help with authentication questions, buying advice, or general inquiries about pre-owned luxury jewelry.
Jewelry Refined earns commissions through affiliate partnerships with the platforms we recommend. Read our full affiliate disclosure.