Ross-Simons - .50ct t. w. Bezel-Set Diamond Station Necklace in 14kt Yellow Gold. 20". Our diamond station necklace always rises to the occasion. It's remarkably versatile and unquestionably elegant, day into evening. Stationed with .50 ct. t. w. round brilliant-cut diamonds in 14kt yellow gold bezels. Lobster clasp, diamond station necklace. Diamond birthstones are the perfect gift for April birthdays.