: Membership warehouses like Costco offer high-quality diamonds at competitive prices with established return policies. 2. The Essential "4 Cs"
: Buying in-person at stores like those listed on the GIA Retailer Lookup provides peace of mind through personal service and the ability to see the stone's sparkle under different lighting conditions.
How to Buy a Diamond by Fred Cuellar (available at Barnes & Noble ): Covers wholesaler secrets and pricing charts.
Jewelry & Gems: The Buying Guide (available at Strand Book Store ): A comprehensive resource for identifying and evaluating gems. ULTIMATE Guide To Buying Diamonds
: Check for an A+ rating with the Better Business Bureau and read independent reviews on sites like Yelp or Google.
Before buying, you must understand the four key characteristics that determine a diamond's value:
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