Brokers often source directly from a global network of suppliers and don't have the same overhead for retail stores, marketing, and brand-name premiums that drive up prices at places like Tiffany.
How brokers achieve lower prices
Lower overhead: Independent brokers don't have the high costs associated with a physical retail storefront, such as rent, utilities, and staffing for a large sales floor.
Direct sourcing: They often work from a global network of suppliers, sourcing diamonds for their clients at more competitive prices without being tied to a specific store's inventory.
No brand premium: You are not paying for the name "Tiffany" or other brand markups. The price is based on the diamond's inherent characteristics, not a brand's reputation.
Focus on value: A broker's primary role is to find the best quality stone for the best possible price, which is their main advantage over a traditional retailer.
What to look for
Certification: Ensure the diamond comes with a certificate from a reputable gemological lab, such as the Gemological Institute of America (GIA) or the American Gem Society (AGS).
Transparency: A legitimate broker should be transparent about how they source their diamonds and how they determine value.
Compare options: It's still wise to compare offers from a few different brokers to ensure you're getting the best deal.

