Lab blue spinel and CZ 18k rolled gold ring size 7

This ring is from an estate purchase in like new condition.  This ring is from an estate purchase in like new condition. Big blue stone tests as spinel. Definitely a lab created one. White small accent stones test as cubic zirconia. Set in 18k yellow rolled gold (much thicker than vermeil but less than gold filled). It’s a heavier ring weighing 8.70 grams. No purity stamp. Only GR and Thailand. Measures a size 7. Fun durable ring ! Reasonable offers considered