Show HURRY AND BUY DIAMONDS GOING UP NEW YORK July IS Notices Notices of the signing of ot an agreement between three or of tho the largest diamond producing companies com corn panics controlling about 98 per cent of or tho worlds world's supply to curtail their early 3 output cutout have been beon received recel b by diamond brokers here The effect of or the agreement n one ono broker said to today a would bo be to put an end to competition between tho the three companies with tho the result that prices would bo be ma ma- Increased |