- Abazias Diamonds
- Offers a large collection of certified and untreated diamonds, an interactive engagement ring builder, discounted diamonds, wholesale jewelry, and more.
- Diamond Brokerage Service, Inc.
- Diamond supplier offering GIA certified rings and other jewelry.
- James Allen
- Brokering company specializing in GIA, AGS, and EGL certified diamonds.
- John D. Shearer Gemnologist Ltd.
- Canadian gemmologist offering appraisals for diamonds as well as brokerage services.
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