Insights & Expertise
The Learning Center
Expert advice and industry insights to help you make informed decisions when buying diamonds, selling gold, or investing in luxury watches.
Knowledge Center
Guides
Straight answers to the questions we hear most across the counter, from how an offer is calculated to what a karat stamp actually means.
Gold Education
Luxury Watches
- Buy, Sell or Trade Your Luxury WatchHow each side of the counter works.
- Rolex Watches at Coin MartWhy it holds its place, and how we handle them.
- Cartier Watches at Coin MartPart watchmaking, part jewelry house.
- How We Authenticate Watches In-HouseWhat our experts check before we ever talk value.
- Why Box and Papers MatterWhat they add, and why you can still sell without them.
In Depth
Featured Articles
Longer reads for the two decisions people research hardest before walking in.
Gold, Silver & Platinum Buying
How to Sell Gold: The Ultimate Guide to Maximizing Your Payout
Thinking about selling your unwanted gold jewelry or estate pieces? Learn exactly how payouts are calculated and how to avoid common pitfalls.
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Engagement Rings
The 4 C's of Diamonds: What Really Matters When Buying
Cut, Color, Clarity, and Carat. Understand which of the 4 C's you should prioritize to get the most beautiful diamond for your budget.
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