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              BaguetteA step cut in the shape of a small rectangular stone. May be tapered at one end. | 
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              Bearded GirdleTiny numerous hairlike fractures extending into the diamond. | 
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              BeardingTiny numerous hairlike fractures extending into the diamond. | 
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              BezelA facet on the crown, or upper part of the diamond above the girdle. | 
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              BlemishImperfection on the external surface of the diamond. | 
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              Bow-TieAn effect caused by a shadowy area visible in some fancy shapes, caused by light leaking out the bottom of the diamond. | 
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              BruiseInclusions consisting of surface crumbling, often accompanied by tiny rootlike feathers. | 
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              Burned FacetFacet appears whitish, or burnt, as a result of the cutter polishing the facet against the grain. |