SPARKLING BRIGHT BLUE IN COLOR AND NICELY CUT THESE EXCELLENT TOPAZ GEMS ARE HEAT TREATED AND ARE FROM BRAZIL. VS AND BETTER IN QUALITY THESE STONES ARE GREAT FOR REPAIR REPLACEMENT AND JEWELRY DESIGN WORK. CALIBRATED 6 X 4 mm EMERALD CUTS LIKE THIS ARE WIDELY USED IN JEWELRY PRODUCTION. BETTER IN PERSON THAN PHOTO. AVERAGE WEIGHT IS .70cts EACH FOR STONES THIS SIZE. OFFERED AT A VERY GOOD BUY IT NOW PRICE.