Diamonds By The Yard Necklace. Circa. 1975 America. Chain is 17.5 inches long. Use this chain on its own, or use it to hang that wonderful white gold or diamond pendant. Tested for 18K white gold. 14 bezel-set diamonds, brilliant cut, with F and G color. Total diamond weight is approximately 1.4 carats. VS2 in clarity. Total diamond weight is approximately 1.4 carats. Diamonds tested with a diamond tester. 4.1 gr. 2.7 dwt. In excellent condition.