British jeweler Laurence Graff is known for having one of the best selections of hard-to-find, huge D-flawless and premium-quality diamonds, in addition to a stellar selection of colored diamonds. Signature Style: Large diamonds are the focal point of Graff’s simple, architectural style jewelry designs. Inside Information: Custom options: Graff will track down almost diamond request, and provide clients with an in-house designer to custom create a piece that is then made in its London workshop.

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