RAPAPORT... Sarine Technologies’ revenue and profit exceeded pre-pandemic levels in the first half of 2021 as the diamond market bounced back.Sales surged 61% year on year to $36 million in the six months ending June 30, the Israel-based supplier of polishing equipment reported Thursday. Profit rose to $12.6 million from $1.2 million a year earlier.“Results…benefited from the strong resur...