10k gold Lab alexandrite and diamond lever back earrings

These earrings were purchased from an estate and are in excellent pre owned condition showing no signs of wear. Pretty much brand new.  Cushion cut square lab created alexandrite stones measuring about 9mm. Prong set in 10k yellow gold with white diamond accent stones. These alexandrite stones color shift from blues , to purples, to greens. Can’t make out the hallmark stamp. Total weight is 3.44 grams .Alexandrite is one of  the birthstones for June Reasonable offers considered