Vintage fully hallmarked dainty, 9ct gold ruby and diamond circlet brooch. Formed form 9ct yellow and white gold, set with marquise cut rubies and pave diamonds. Designed as a circlet set with four marquise cut rubies leading to five pave set diamonds. Estimated diamond weight is 0.10ct. Brooch is stamped 9K to the back and fully hallmarked for 9ct gold to the clasp. Circa 1990.