14K Yellow Gold Eternal Love Diamond Heart Necklace. This classic diamond heart necklace contains .06cttw of round diamonds pave set in a heart design. Comes with a 14k yellow gold 18 inch chain with adjustable 16 and 17 inch jump rings. This necklace is 14K yellow gold and diamonds are I/J color and eye-clean SI3 clarity. Designed by Gabriel & Co., also available in white gold and rose gold.