Vintage 6.5 Carat Diamond Line BraceletVintage Platinum Diamond Bracelet American, Circa 1950. A classic tennis bracelet, well executed in platinum. The bright round diamonds are set in delicate platinum millgrain settings. The construction technique gives the bracelet fluid movement. A staple piece that can be worn daily. Each stone measures approximately 3. 5 mm with a total estimated weight of 6. 5 carats. 7. 2" in length. The length can be shortened.