Vintage Hammerman Brothers 18K Yellow Gold 1.7 ct total weight Blue Sapphire and Round Brilliant Cut Diamond Tennis Bracelet. The bracelet weighs 23.3 grams and has a length of 7 “ inches. The bracelet contain 12 Round Cut Blue Sapphires & 12 Round Brilliant Cut side diamonds weighing approximately 1.7 ct total weight, F-G in color, VS1-VS2 in clarity. The bracelet is stamped "HB 18K" on the clasp. The clasp has double safety locking mechanism & a safety chain.