broken ring

GOODMORNING AS IM WRITING THIS EMAIL IM SO SAD I BOUGHT MY WEDDING RING IN OCTOBER 2014 I WAS THE HAPPIEST PERSON BECAUSE I THOUGHT IM USING ONE OF THE BEST AND I WASNT WORRIED ABOUT THE PRICE BECAUSE I KNEW I WAS BUYING QUALITY BUT TO MY SUPRISE ITS WASNT LIKE THAT THE PROBLEM STARTED WHEN THEY HAD TO RE-SIZE MY RING AND THEN IN 2015 FEBRUARY 2 DIAMONDS WERE MISSING I SEND THE RING BACK TO LA LUCIA IN DURBAN WHERE I ORIGINALLY BOUGHT IT AND I HAD TO PAY R500 FOR IT TO BE FIXED AND ITS WAS ONLY(4 MONTHS ) AFTER PURCHASE AND THEN AGAIN IN JULY OR AUGUST 2015 I HAD TO SEND MY RING BACK AFTER COMPLAINING BECAUSE I WASNT HAPPY NOR SATISFIED ABOUT THE QUALITY OF MY RING AGAIN ITS WAS SENT FOR REPAIRS AND I WAS PROMISED THAT ITS NOW A FINAL PRODUCT BUT AGAIN YESTERDAY 2016-01-21 I NOTICE 1 DIAMOND HAS FELL OFF THIS IS BECAMING A NOM AGAIN ITS A PERIOD OF (5 MONTHS ) AND THIS IS SUPPOSE TO LAST ME A LIFETIME BUT NO IM VERY DISSAPPOINTED IN THE PRODUCT AND IM NOT HAPPY AT ALL AND NOT WILLING TO PAY ITS EITHER YOU FIX MY RING OR MAKE A NEW ONE all I wanted was a beautiful ring and now they want me to pay again R500