Dasha 2710-P Swarovski Crystal Performance Earrings - Post Dasha's Swarovski Performance Earring Sizes Have Changed. This new earring design shows off more of the surrounding crystals, adding brilliance to all the stones. The center stone size remains the same as the original style. MM sizes are for center stone/diameter (12mm/17mm) High quality Swarovski crystals, made in the U.S.A. Colors pictured top to bottom: Crystal - CR, Fuschia - FU, Blue - BL, Ruby - RB, Emerald - EM, Amethyst - AM. Pictured in Large Image: Pink - PK, Fuschia - FU. Not Pictured: Aurora Borealis - AB, Black Diamond - BD, Vitrail - VT.