Diamonds, Sapphire & Emeralds Earrings And A Brooch Jewelry Set. Circa: 1960's. Impressive 18k gold set of earrings and a brooch mounted with ruby, sapphire and emerald cabochons, and diamonds. Center Diamond Weight: 0.00 Metal Type: 18K Yellow Gold Metal Weight: 60.3 gr. Condition: Very Good. Stock: RR5224