Yellow Floral Medallion Diamond Fashion Necklace. This stylish new diamond fashion necklace contains .57cttw of round diamonds in a floral medallion design. Comes with a 14k yellow gold 18 inch chain, with 16 and 17 inch adjustment jump rings. This necklace is 14K yellow gold and diamonds are I color and eye-clean SI2 clarity. Designed by Gabriel & Co., also available in white gold and rose gold.